TY  - JOUR
AU  - V. V. Filippov
TI  - Homology properties of the~sets of solutions to ordinary
JO  - Sbornik. Mathematics
PY  - 1997
SP  - 933
EP  - 953
VL  - 188
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1997_188_6_a6/
LA  - en
ID  - SM_1997_188_6_a6
ER  -