@article{TMF_1998_116_2_a0,
     author = {R. Mennicken and A. K. Motovilov},
     title = {Operator interpretation of the resonances generated by ${2}\times {2}$ matrix {Hamiltonians}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {163--181},
     publisher = {mathdoc},
     volume = {116},
     number = {2},
     year = {1998},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1998_116_2_a0/}
}