@article{TMF_1976_27_2_a15,
     author = {A. K. Zaichenko and V. S. Ol'khovskii},
     title = {Analytic solutions of the problem of scattering by potentials of the {Eckart} class},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {267--269},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_27_2_a15/}
}