@article{DAN_1966_167_6_a7,
     author = {N. N. Yanenko and G. V. Demidov},
     title = {Investigation of the {Cauchy} problem by the method of weak approximation},
     journal = {Doklady Akademii Nauk},
     pages = {1242--1244},
     publisher = {mathdoc},
     volume = {167},
     number = {6},
     year = {1966},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1966_167_6_a7/}
}