(NsTROITELXNAQ MEHANIKA(B. (NtONKOSTENNYE PROSTRANSTWENNYE SISTEMYs (NU^EBNIK DLQ WUZOWs - (NaLEKSANDROW(B,(Na(B. (Nw(B.s (NaNATOLIJ wASILXEWI^s; (NlA]ENIKOW(B,(Nb(B. (Nq(B.s (NbORIS qKOWLEWI^s; (N{APO[NIKOW(B,(Nn(B. (Nn(B.s (NnIKOLAJ nIKOLAEWI^s ((Nm(B.s (NsTROJIZDATs, 1983)