@article{TMF_1980_42_2_a6,
     author = {Yu. N. Demkov and V. N. Ostrovskii},
     title = {Analog of~the {Watson} transformation for angular variables and scattering on~the potential $a/r^2$},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {223--231},
     publisher = {mathdoc},
     volume = {42},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1980_42_2_a6/}
}