@article{TMF_1971_9_3_a9,
     author = {A. A. Luk'yanov},
     title = {Channel coupling scheme in the $R$-matrix formalism},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {398--405},
     publisher = {mathdoc},
     volume = {9},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1971_9_3_a9/}
}