@article{SJIM_2003_6_2_a13,
     author = {A. I. Ender and I. A. Ender},
     title = {Matrix elements and kernels of nonlinear collision integral},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {156--164},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2003_6_2_a13/}
}