@article{TMF_2014_180_3_a4,
     author = {V. V. Pupyshev},
     title = {The~length and effective radius of two-dimensional scattering of a~quantum particle by a~centrally symmetric short-range potential},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {342--367},
     publisher = {mathdoc},
     volume = {180},
     number = {3},
     year = {2014},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2014_180_3_a4/}
}