@article{DAN_1957_113_4_a11,
     author = {F. S. Klebanov},
     title = {On air flow in mine workings where the goaf is present},
     journal = {Doklady Akademii Nauk},
     pages = {766--768},
     publisher = {mathdoc},
     volume = {113},
     number = {4},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a11/}
}