TY - JOUR AU - Paúl, Pedro J. TI - New applications of Pták's extension theorem to weak compactness JO - Czechoslovak Mathematical Journal PY - 1989 SP - 454 EP - 458 VL - 39 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102316/ DO - 10.21136/CMJ.1989.102316 LA - en ID - 10_21136_CMJ_1989_102316 ER -