@article{DAN_1969_186_6_a8,
     author = {V. Shelepov},
     title = {The index of an integral operator of potential type in the space $L_p$},
     journal = {Doklady Akademii Nauk},
     pages = {1266--1268},
     publisher = {mathdoc},
     volume = {186},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_186_6_a8/}
}