@article{ZNSL_1968_9_a6,
     author = {B. G. Nikolaev},
     title = {Solution of the space problems for the hyperboloid of revolution and lens in the electrical prospecting},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {126--143},
     publisher = {mathdoc},
     volume = {9},
     year = {1968},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_1968_9_a6/}
}