arXiv:hep-ph/9806508
Relativistic Bound States in 2+1 and 1+1 Dimensions in the Null-Plane
J. P. B. C. de Melo, Antonio Eduardo Assis Amorim, Lauro Tomio, T. Frederico
arXiv:hep-ph/9806508
J. P. B. C. de Melo, Antonio Eduardo Assis Amorim, Lauro Tomio, T. Frederico