@article{FAA_1977_11_2_a9,
     author = {M. M. Lavrent'ev and A. Kh. Amirov},
     title = {The conditional correctness of the cauchy problem},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {80--82},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {1977},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1977_11_2_a9/}
}