diff --git a/CHANGELOG.md b/CHANGELOG.md
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -10,3 +10,8 @@
 * The second version. Updated the dependencies so that now the Ukrainian syllable segmentation is treated more properly.
 Changed the structure of the non-sound Ukraninian symbols representation (now they are converted to one of the [100,101,102]).
 
+## 0.3.0.0 -- 2022-09-13
+
+* The third version. Moved the coeffs functionality to the phonetic-languages-basis package. 
+Updated the dependencies to use the new uniquenessPeriods functionality.
+
diff --git a/Phonetic/Languages/Array/Ukrainian/Common.hs b/Phonetic/Languages/Array/Ukrainian/Common.hs
--- a/Phonetic/Languages/Array/Ukrainian/Common.hs
+++ b/Phonetic/Languages/Array/Ukrainian/Common.hs
@@ -28,6 +28,7 @@
 import Data.Maybe (fromMaybe,isNothing)
 import Rhythmicity.PolyRhythm
 import Text.Read (readMaybe)
+import Phonetic.Languages.Coeffs
 
 #ifdef __GLASGOW_HASKELL__
 #if __GLASGOW_HASKELL__==708
@@ -59,32 +60,6 @@
 eval23CoeffsF k (CF2 x y) = evalRhythmicity23KF k (fromMaybe 1.0 x) (fromMaybe 1.0 y)
 eval23CoeffsF k CF0 = evalRhythmicity23F k
 {-# INLINE eval23CoeffsF #-}
-
-data CoeffTwo a = CF0 | CF2 (Maybe a) (Maybe a) deriving (Eq)
-
-isEmpty :: CoeffTwo a -> Bool
-isEmpty CF0 = True
-isEmpty _ = False
-
-isPair :: CoeffTwo a -> Bool
-isPair CF0 = False
-isPair _ = True
-
-fstCF :: CoeffTwo a -> Maybe a
-fstCF (CF2 x _) = x
-fstCF _ = Nothing
-
-sndCF :: CoeffTwo a -> Maybe a
-sndCF (CF2 _ y) = y
-sndCF _ = Nothing
-
-readCF :: String -> Coeffs2
-readCF xs
-  | any (== '_') xs = let (!ys,!zs) = (\(ks,ts) -> (readMaybe ks::Maybe Double,readMaybe (drop 1 ts)::Maybe Double)) . break (== '_') $ xs in
-     if (isNothing ys && isNothing zs) then CF0 else CF2 ys zs
-  | otherwise = CF0
-
-type Coeffs2 = CoeffTwo Double
 
 --------------------------------------------------------------------------------------------
 
diff --git a/phonetic-languages-simplified-properties-array-common.cabal b/phonetic-languages-simplified-properties-array-common.cabal
--- a/phonetic-languages-simplified-properties-array-common.cabal
+++ b/phonetic-languages-simplified-properties-array-common.cabal
@@ -1,5 +1,5 @@
 name:                phonetic-languages-simplified-properties-array-common
-version:             0.2.0.0
+version:             0.3.0.0
 synopsis:            Common functionality for 'with-tuples' and old version of properties. 
 description:         The common functionality for phonetic-languages-simplified-properties-array and phonetic-languages-simplified-properties-array-old packages.
 homepage:            https://hackage.haskell.org/package/phonetic-languages-simplified-properties-array-common
@@ -17,6 +17,6 @@
   exposed-modules:     Phonetic.Languages.Array.Ukrainian.Common
   -- other-modules:
   other-extensions:    BangPatterns, CPP
-  build-depends:       base >=4.8 && <5, phonetic-languages-rhythmicity ==0.9.2.0, phonetic-languages-basis ==0.1.1.0
+  build-depends:       base >=4.8 && <5, phonetic-languages-rhythmicity ==0.9.2.0, phonetic-languages-basis ==0.2.0.0
   -- hs-source-dirs:
   default-language:    Haskell2010