@article{DAN_1991_317_1_a10,
     author = {\`E. I. Grigolyuk and Yu. D. Kovalev and L. A. Fil'shtinskii},
     title = {Bending of a layer weakened by through tunnel cuts},
     journal = {Doklady Akademii Nauk},
     pages = {51--53},
     publisher = {mathdoc},
     volume = {317},
     number = {1},
     year = {1991},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1991_317_1_a10/}
}