@article{DE_1993_29_4_a15,
     author = {S. V. Zhestkov and E. A. Ermolaev},
     title = {Algebraic approach to the study of stability of {Cauchy} problem for {Fedorov} systems of partial differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {715--716},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1993},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1993_29_4_a15/}
}