(NwSEWOLOD aNDREEWI^ fILIPPOWs - (NaM[INSKAQ(B,(Na(B. (Nm(B.s (NaLEKSANDRA mIHAJLOWNAs ((Nm(B.s (NsOWETSKIJ HUDOVNIKs, 1957)
Keywords: (NfILIPPOW w(B. (Na(B.s