TY  - JOUR
AU  - V. G. Boltyanskii
AU  - L. K. Nikolaev
TI  - A computer experiment in calculation of light trajectories
JO  - Differencialʹnye uravneniâ
PY  - 1980
SP  - 548
EP  - 550
VL  - 16
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DE_1980_16_3_a20/
LA  - ru
ID  - DE_1980_16_3_a20
ER  -