TY - JOUR SP - 70 IS - 6 TI - Logarithmic concavity of series in gamma ratios A1 - Kalmykov Sergei A1 - Karp Dmitrii EP - 77 ID - publicatio10401 Y1 - 2014/// UR - http://publicatio.bibl.u-szeged.hu/10401/ SN - 1066-369X VL - 58 JF - RUSSIAN MATHEMATICS AV - restricted ER -