%0 Journal Article %A Allegretto, W. %T Oscillation Criteria for Semilinear Equations in General Domains %J Canadian mathematical bulletin %D 1976 %P 137-144 %V 19 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-1976-020-7/ %R 10.4153/CMB-1976-020-7 %F 10_4153_CMB_1976_020_7