TY  - JOUR
AU  - R. M. Trigub
TI  - Criterium Based on the Characteristic Function and the Polya-Type Sign for Radial Functions in Several Variables
JO  - Teoriâ veroâtnostej i ee primeneniâ
PY  - 1989
SP  - 805
EP  - 810
VL  - 34
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TVP_1989_34_4_a23/
LA  - ru
ID  - TVP_1989_34_4_a23
ER  -