TY  - JOUR
AU  - A. A. Davydov
AU  - V. M. Zakalyukin
TI  - Point singularities of a~conditional minimum on a~three-dimensional manifold
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1998
SP  - 113
EP  - 129
VL  - 220
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1998_220_a6/
LA  - ru
ID  - TM_1998_220_a6
ER  -