(NaKADEMIKU wLADIMIRU aLEKSANDROWI^U gORDELEWSKOMU K EGO SEMIDESQTILETI@ (B:s (NsBORNIK STATEJs ((NmOSKWA (B:s [(NB(B. (NW(B.],s, 1953)