(NaSIMPTOTI^ESKIE METODY NEBESNOJ MEHANIKI (B/s - (NhOL[EWNIKOW(B, (NkONSTANTIN wLADISLAWOWI^s ((NlENINGRAD (B:s (Nlgu (B,s, 1985)
Keywords: (NaSIMPTOTI^ESKIE METODYs; (NnEBESNAQ MEHANIKAs