TY - JOUR AU - Tran, Dien Hien TI - The Dirichlet problem in the dispersion of gas exhalations over a wet hilly surface JO - Commentationes Mathematicae Universitatis Carolinae PY - 1984 SP - 459 EP - 471 VL - 25 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1984__25_3_a5/ LA - en ID - CMUC_1984__25_3_a5 ER -