@article{TRSPY_1986_175_a2,
     author = {V. M. Babich},
     title = {Mathematical theory of diffraction (a~survey of research carried out at the {Laboratory} of {Mathematical} {Problems} of {Geophysics} of the {Leningrad} {Branch} of the {Institute} of {Mathematics)}},
     journal = {Informatics and Automation},
     pages = {47--62},
     publisher = {mathdoc},
     volume = {175},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1986_175_a2/}
}