TY - JOUR AU - A. L. Kopa-Ovdienko TI - On employment of Lagrangian coordinates for simulation of light beams with strong spase deformations JO - Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki PY - 1986 SP - 311 EP - 315 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ZVMMF_1986_26_2_a15/ LA - ru ID - ZVMMF_1986_26_2_a15 ER -