@article{MZM_2008_83_4_a12,
     author = {A. V. Stoyanovskii},
     title = {Necessary {Condition} for the {Existence} of the $S$ {Matrix} {Outside} the {Scope} of {Perturbation} {Theory}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {613--617},
     publisher = {mathdoc},
     volume = {83},
     number = {4},
     year = {2008},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2008_83_4_a12/}
}