@article{SJIM_1998_1_1_a3,
     author = {L. V. Baev and A. A. Vorotyntsev},
     title = {Separation of a~matrix from a~spherical inclusion},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {35--40},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_1998_1_1_a3/}
}