Pádua AB de, Deus JD de. Analysis of the eikonal in pion-proton elastic collisions at high energies. Semin., Exact Tech. Scienc. [Internet]. 2004 Dec. 15 [cited 2024 Dec. 23];16(4):516-28. Available from: https://ojs.uel.br/revistas/uel/index.php/semexatas/article/view/3127