TY - BOOK AU - Wightman, A S AU - TI - Troubles in the external field problelml for invariant wave equations U1 - 539.128 PY - 1971/// CY - New York PB - Gordon and Breach KW - Atomic physics KW - Atomic nuclei KW - Nuclear physics KW - Cosmic rays KW - Cyclotron KW - Nuclear energy KW - Nuclear engineering KW - Nuclear reactors KW - particles- nuclear physics KW - Radiobiology KW - Physics KW - Particle physics N1 - Tracts in mathematics and natural sciences, 4 ER -