%0 Journal Article %T CHEMICAL COMPOSITION OF SOUR CHERRY FRUITS BREEDED BY TATAR RESEARCH INSTITUTE OF AGRICULTURE %A Osipov, G.E. %A Petrova, N.V. %A Kirillova, E.S. %A Kazeeva, N.A. %K sour cherry (Prunus cerasus L.), cultivar, hybrid, dry matter, sugars, acid, vitamin C, variability %J Vestnik of Kazan State Agrarian University %D 2020 %N 15 %P 6 %I Kazan state agrarian University