TY - JOUR AU - HERZOG, GERD AU - LEMMERT, ROLAND TI - BOUNDARY VALUE PROBLEMS VIA AN INTERMEDIATE VALUE THEOREM JO - Glasgow mathematical journal PY - 2008 SP - 531 EP - 537 VL - 50 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089508004394/ DO - 10.1017/S0017089508004394 ID - 10_1017_S0017089508004394 ER -