TY - JOUR AU - Z. Stojek TI - The proof of the uniqueness of the solution of a mixed problem for a class of partial differential equations of even order JO - Annales Polonici Mathematici PY - 1963 SP - 279 EP - 283 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-13-3-279-283/ DO - 10.4064/ap-13-3-279-283 LA - en ID - 10_4064_ap_13_3_279_283 ER -