(NnEKOTORYE ZADA^I PRIBLIVENNOGO AGREGIROWANIQ (B/s - (NiONOWA(B, (Ni(B.(Nw(B.s; (NsMIRNOWA(B, (Nt(B.(Ng(B.s ((NmOSKWA (B:s (Nwc an sssr(B,s, 1988)
(NbIBLIOGR(B.: (NS(B. 34s
Keywords: (NaGREGIROWANIEs