@article{FAA_1974_8_1_a10,
     author = {V. M. Babich and N. S. Grigor'ev},
     title = {The analytic extension of the resolvent of outer three-dimensional problems for laplace operators in the second sheet},
     journal = {Funkcionalʹnyj analiz i ego prilo\v{z}eni\^a},
     pages = {71--72},
     publisher = {mathdoc},
     volume = {8},
     number = {1},
     year = {1974},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/FAA_1974_8_1_a10/}
}