TY  - JOUR
AU  - V. S. Kulikov
TI  - On~the number of singular focal centres of the projection of an algebraic surface
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1984
SP  - 279
EP  - 280
VL  - 39
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1984_39_5_a15/
LA  - en
ID  - RM_1984_39_5_a15
ER  -