@article{ZNSL_1978_78_a1,
     author = {G. Ya. Beil'kin},
     title = {Explicit solution of the inverse kinematic problem in the {non-Herglotz} case},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {20--29},
     publisher = {mathdoc},
     volume = {78},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1978_78_a1/}
}