TY  - JOUR
AU  - V. A. Tsetsocho
AU  - A. V. Belonosova
AU  - A. S. Belonosov
TI  - Calculation formulas of linear geometrical spreading at ray tracing in a~3D block-inhomogeneous gradient medium
JO  - Sibirskij žurnal vyčislitelʹnoj matematiki
PY  - 2009
SP  - 325
EP  - 339
VL  - 12
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SJVM_2009_12_3_a7/
LA  - ru
ID  - SJVM_2009_12_3_a7
ER  -