@article{TMF_1993_95_3_a2, author = {A. K. Motovilov}, title = {Analytic continuation of $s$ matrix in multichannel problems}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {427--438}, publisher = {mathdoc}, volume = {95}, number = {3}, year = {1993}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1993_95_3_a2/} }