TY  - JOUR
AU  - A. N. Varchenko
TI  - Semicontinuity of the spectrum and an upper bound for the number of singular points of the projective hypersurface
JO  - Doklady Akademii Nauk
PY  - 1983
SP  - 1294
EP  - 1297
VL  - 270
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1983_270_6_a1/
LA  - ru
ID  - DAN_1983_270_6_a1
ER  -