On the antimaximum principle for parabolic periodic problems with weight. Lami Dozo, E.; Godoy, T.; Paczka, S. — 2002 Rendiconti del Seminario Matematico
On principal eigenvalues for periodic parabolic Steklov problems. Godoy, T.; Lami Dozo, E.; Paczka, S. — 2002 Abstract and Applied Analysis
The periodic parabolic eigenvalue problem with L... weight. T. Godoy; E. Lami Dozo; S. Paczka — 1998 Mathematica Scandinavica