@article{ZVMMF_1967_7_6_a1,
     author = {N. S. Bakhvalov},
     title = {The asymptotics for small $\varepsilon$ of the solution of the equation $u_t+(\varphi(u))_{x}=\varepsilon u_{xx}$, corresponding to a rarefaction wave, in the degenerate case},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {1229--1236},
     publisher = {mathdoc},
     volume = {7},
     number = {6},
     year = {1967},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1967_7_6_a1/}
}