TY - JOUR AU - Kufner, Alois AU - Leonardi, Salvatore TI - Solvability of degenerate elliptic boundary value problems: another approach JO - Mathematica Bohemica PY - 1994 SP - 255 EP - 274 VL - 119 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/MB.1994.126167/ DO - 10.21136/MB.1994.126167 LA - en ID - 10_21136_MB_1994_126167 ER -