@article{ZVMMF_1963_3_2_a1,
     author = {V. A. Ditkin and A. P. Prudnikov},
     title = {On the theory of the operational calculus for the {Bessel} equation},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {223--238},
     publisher = {mathdoc},
     volume = {3},
     number = {2},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1963_3_2_a1/}
}