@article{DAN_1963_148_3_a21,
     author = {M. A. Mestvirishvili and I. T. Todorov},
     title = {Analytic properties of the meson-nucleon vertex part and scattering amplitudes of pseudoscalar mesons in perturbation theory},
     journal = {Doklady Akademii Nauk},
     pages = {562--565},
     publisher = {mathdoc},
     volume = {148},
     number = {3},
     year = {1963},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1963_148_3_a21/}
}