@article{DAN_1980_254_3_a9,
     author = {A. V. Fedorov and V. M. Fomin and N. N. Yanenko},
     title = {A differential analyzer for discontinuities of solutions of nonhomogeneous hyperbolic equations},
     journal = {Doklady Akademii Nauk},
     pages = {554--559},
     publisher = {mathdoc},
     volume = {254},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_254_3_a9/}
}