Representation of finite-length modular lattices Otomar Hájek — 1965 Czechoslovak Mathematical Journal
Characteristics of modular finite-length lattices Otomar Hájek — 1965 Czechoslovak Mathematical Journal
Prolongation of sections in local dynamical systems Otomar Hájek — 1966 Czechoslovak Mathematical Journal
Homological fixed point theorems Otomar Hájek — 1964 Commentationes Mathematicae Universitatis Carolinae
Structure of dynamical systems Otomar Hájek — 1965 Commentationes Mathematicae Universitatis Carolinae
Homological fixed point theorems. II Otomar Hájek — 1964 Commentationes Mathematicae Universitatis Carolinae
Correction to “Structure of dynamical systems” Otomar Hájek — 1965 Commentationes Mathematicae Universitatis Carolinae
Critical points of abstract dynamical systems Otomar Hájek — 1964 Commentationes Mathematicae Universitatis Carolinae
Correction to: “Notes on quotient maps” Otomar Hájek — 1967 Commentationes Mathematicae Universitatis Carolinae