@article{TMF_1970_5_1_a3,
     author = {M. L. Kharakhan and Yu. M. Shirokov},
     title = {Connection of field matrix elements with the phases of two-channel $S$-wave scattering},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {39--46},
     publisher = {mathdoc},
     volume = {5},
     number = {1},
     year = {1970},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1970_5_1_a3/}
}