@article{DAN_1973_211_1_a12,
     author = {V. A. Tupchiev},
     title = {On the method of introducing viscosity in the study of problems involving the decay of a discontinuity},
     journal = {Doklady Akademii Nauk},
     pages = {55--58},
     publisher = {mathdoc},
     volume = {211},
     number = {1},
     year = {1973},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1973_211_1_a12/}
}