The isospin bounds and phase contours in pion-nucleon scattering
русский/английский/The isospin bounds and phase contours in pion-nucleon scattering / D.B. Ion ; Лаб. теорет. физики.The isospin bounds and phase contours in pion-nucleon scattering / D.B. Ion.The isospin bounds and phase contours in pion-nucleon scattering.Б. м./, 1974 ( ). - 1974.The isospin bounds and phase contours in pion-nucleon scattering. Б. м., 1974 .