@article{DE_1993_29_11_a15,
     author = {N. T. Stel'maschuk and V. A. Shilinec},
     title = {The method of formal derivatives for the solution of the {Cauchy} problem for a system of partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1999--2001},
     publisher = {mathdoc},
     volume = {29},
     number = {11},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_11_a15/}
}