Vol. 20 - n. 2 - 1990
PAGES ARTICLES
101-122 On pseudodynamics of second order lagrangian systems
R. de Azeredo Campos, Cláudio M. G. Souza
123-132 Theory of the weak interaction vertices
I. Ventura
133-151 Potential representations for the delta-nucleon interaction
Erasmo Ferreira, H. G. Dosch
152-159 Reentrant behaviour in two-dimensional Içing models with biquadratic interactions
F. C. Sá Barreto
160-173 A new semiclassical approach for the spatial density of nuclear systems
D. Galetti, S. Pawel
174-186 Plasma heating as a function of the resonant volume and collisions
C. da C. Rapozo, N. L. P. Mansur, L. T. Carneiro, G. H. Cavalcanti, A. S. de Assis
187-194 Bulk viscosity and deflationary universes
J. A. S. Lima, R. Portugal, I. Waga