@article{DAN_1970_192_5_a6,
     author = {S. G. Krein and G. I. Laptev and G. A. Tsvetkova},
     title = {The {Hadamard} correctness of the {Cauchy} problem for an evolution equation},
     journal = {Doklady Akademii Nauk},
     pages = {980--983},
     publisher = {mathdoc},
     volume = {192},
     number = {5},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1970_192_5_a6/}
}