@article{MM_1992_4_2_a6,
     author = {A. P. Mikhailov and V. V. Stepanova},
     title = {On some unbounded solutions of piston problem},
     journal = {Matemati\v{c}eskoe modelirovanie},
     pages = {62--75},
     publisher = {mathdoc},
     volume = {4},
     number = {2},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MM_1992_4_2_a6/}
}