@article{DAN_1980_250_3_a20,
     author = {A. V. Dokukin and D. A. Denisov and A. F. Usatyi},
     title = {On the relation between the free-radical concentration in coals and the outburst danger},
     journal = {Doklady Akademii Nauk},
     pages = {592--595},
     publisher = {mathdoc},
     volume = {250},
     number = {3},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1980_250_3_a20/}
}