@article{DE_2003_39_9_a1,
     author = {P. A. Krutitskii and A. I. Sgibnev},
     title = {Singularities of the {Solution} {Gradient} in the {Generalized} {Jump} {Problem} for the {Laplace} {Equation} {Outside} a {Cut} on the {Plane}},
     journal = {Differencialʹnye uravneni\^a},
     pages = {1165--1175},
     publisher = {mathdoc},
     volume = {39},
     number = {9},
     year = {2003},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DE_2003_39_9_a1/}
}