@article{DAN_1994_335_2_a14,
     author = {S. A. Nazarov and O. R. Polyakova},
     title = {The {Griffiths} criterion for a separation crack with nonlinear},
     journal = {Doklady Akademii Nauk},
     pages = {182--184},
     publisher = {mathdoc},
     volume = {335},
     number = {2},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1994_335_2_a14/}
}