TY  - JOUR
AU  - N. B. Melnikov
TI  - Extremal properties of singularities of Goursat distributions
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2006
SP  - 778
EP  - 779
VL  - 61
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2006_61_4_a9/
LA  - en
ID  - RM_2006_61_4_a9
ER  -