@article{VMUMM_1991_6_a8,
     author = {I. Yu. Chesnokov},
     title = {On removable singularities in boundary conditions of solutions of linear differential equations from {Sobolev} spaces},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {45--50},
     year = {1991},
     number = {6},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1991_6_a8/}
}