@article{DAN_1969_187_4_a12,
     author = {L. A. Galin and Ya. B. Friedman and G. P. Cherepanov and E. M. Morozov and V. Z. Parton},
     title = {Conditions at the end of a crack},
     journal = {Doklady Akademii Nauk},
     pages = {754--757},
     publisher = {mathdoc},
     volume = {187},
     number = {4},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_187_4_a12/}
}