(NkURS TEORETI^ESKOJ MEHANIKIs (NU^EBNIK DLQ STUDENTOW WUZOW(B.s (N~(B. 2,s (NdINAMIKAs - (NqBLONSKIJ(B,(Na(B. (Na(B.s (NaLEKSANDR aLEKSANDROWI^s ((Nm(B.s (NwYS[AQ [KOLAs, 1966)