@article{DE_1970_6_2_a10,
     author = {M. I. Urbanovich},
     title = {The {Cauchy} matrix of a linear system of ordinary differential equations},
     journal = {Differencialʹnye uravneni\^a},
     pages = {320--327},
     publisher = {mathdoc},
     volume = {6},
     number = {2},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1970_6_2_a10/}
}