@article{TMF_2015_182_2_a7, author = {V. V. Pupyshev}, title = {Effective-radius approximation in the~problem of two-dimensional scattering by a~central short-range potential}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {315--337}, publisher = {mathdoc}, volume = {182}, number = {2}, year = {2015}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_2015_182_2_a7/} }