@article{ZVMMF_1998_38_11_a12,
     author = {V. A. Lykov and V. G. Nikolaev},
     title = {A direct method for solving radiative transfer equations in the $P_1$ approximation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1907--1918},
     publisher = {mathdoc},
     volume = {38},
     number = {11},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1998_38_11_a12/}
}