@article{DAN_1988_299_4_a19, author = {N. V. Cherskii and V. A. Dryndin and Yu. F. Makogon and T. V. Mikhina}, title = {Electrostatic fields of coal}, journal = {Doklady Akademii Nauk}, pages = {851--853}, publisher = {mathdoc}, volume = {299}, number = {4}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1988_299_4_a19/} }