TY  - JOUR
AU  - V. G. Ermakov
TI  - Homotopy classification of a~certain set of multidimensional boundary-value problems of~oblique derivative type
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1988
SP  - 217
EP  - 218
VL  - 43
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1988_43_5_a11/
LA  - en
ID  - RM_1988_43_5_a11
ER  -