@article{DAN_1969_188_6_a6,
     author = {M. I. Klyuchantsev},
     title = {Estimates of the solutions of boundary value problems with the {Bessel} operator},
     journal = {Doklady Akademii Nauk},
     pages = {1227--1230},
     publisher = {mathdoc},
     volume = {188},
     number = {6},
     year = {1969},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1969_188_6_a6/}
}