TY - JOUR AU - Jolanta Przybycin TI - Existence and uniqueness theorems for fourth-order boundary value problems JO - Annales Polonici Mathematici PY - 1997 SP - 59 EP - 64 VL - 67 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-67-1-59-64/ DO - 10.4064/ap-67-1-59-64 LA - en ID - 10_4064_ap_67_1_59_64 ER -