(NdIFFERENCIALXNAQ GEOMETRIQ I ANALITI^ESKAQ MEHANIKA (B/s - (NgODBIJON(B, (Nk(B.s; (NkU[NIRENKO(B, (Na(B.(Ng(B.s ((NmOSKWA (B:s (NmIR(B,s, 1973)
(NbIBLIOGR(B. (NS(B. 184 (15 (NNAZW(B.)s
C. Godbillon-
Keywords: (NdIFFERENCIALXNAQ GEOMETRIQs; (NaNALITI^ESKAQ MEHANIKAs