@article{MM_1992_4_3_a3,
     author = {S. K. Betyaev},
     title = {Mathematical models for flowing out problems},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {28--39},
     publisher = {mathdoc},
     volume = {4},
     number = {3},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1992_4_3_a3/}
}