%0 Journal Article %A Ludwik Byszewski %T Strong maximum and minimum principles for parabolic functional-differential problems with nonlocal inequalities $[u^j(t_0, x) - K^ j] + Σ_i h_ i(x)[u^j(T_i, x)-K^j] \stack{≤} {(≥)} 0$ %J Annales Polonici Mathematici %D 1990 %P 195-204 %V 52 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-52-2-195-204/ %R 10.4064/ap-52-2-195-204 %G en %F 10_4064_ap_52_2_195_204