Some applications of martingales in Banach spaces Pechanec, J. — 1976 Abstracta. 4th Winter School on Abstract Analysis
Representation of sheaves of metric lattices by sections J. Pechanec-Drahoš — 1982 Acta Universitatis Carolinae. Mathematica et Physica
Embedding of presheaves into dual unit balls J. Pechanec-Drahoš — 1982 Acta Universitatis Carolinae. Mathematica et Physica