(NrOSPISI SREDNEWEKOWYH TRAPEZNYH gRUZIIs - (NwOLXSKAQ(B, (NaNELI(B.s ((NtBILISI s (NiZDATELXSTWO (B"(NmECNIEREBA(B"s, 1974)
(NpARAL(B. (NTITUL GRUZINSXK(B. , (NFR(B.s