@article{SM_1977_33_1_a3,
     author = {I. A. Kipriyanov and V. V. Katrakhov},
     title = {On~a~class of one-dimensional singular pseudodifferential operators},
     journal = {Sbornik. Mathematics},
     pages = {43--61},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1977},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1977_33_1_a3/}
}