@article{DE_1981_17_3_a13,
     author = {E. A. Zagustina and R. \`E. Kalaba},
     title = {The {Cauchy} system for nonlinear problems with two boundary conditions},
     journal = {Differencialʹnye uravneni\^a},
     pages = {562--565},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {1981},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_1981_17_3_a13/}
}