@article{DAN_1961_141_4_a15,
     author = {M. P. Mikhailova},
     title = {Motion of a piston with constant velocity in an inhomogeneous medium},
     journal = {Doklady Akademii Nauk},
     pages = {826--828},
     publisher = {mathdoc},
     volume = {141},
     number = {4},
     year = {1961},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1961_141_4_a15/}
}