@article{SM_1991_68_2_a12,
     author = {G. M. Vainikko},
     title = {On the smoothness of the solutions of multidimensional weakly singular integral equations},
     journal = {Sbornik. Mathematics},
     pages = {585--600},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {1991},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1991_68_2_a12/}
}