TY - JOUR TI - Dedication of the issue to Prof. František Šik and Prof. Miroslav Novotny, on the occasion of their seventieth birthdays JO - Archivum mathematicum PY - 1992 SP - 1 EP - 2 VL - 28 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1992__28_1-2_a0/ LA - en ID - ARM_1992__28_1-2_a0 ER -