TY  - JOUR
AU  - V. A. Petrov
TI  - Decrease of cross sections at fixed angles and the phenomenon of planarity
JO  - Teoretičeskaâ i matematičeskaâ fizika
PY  - 1979
SP  - 286
EP  - 288
VL  - 40
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/TMF_1979_40_2_a11/
LA  - ru
ID  - TMF_1979_40_2_a11
ER  -