Finite-dimensional categorial complement theorems in shape theory Peter Mrozik — 1988 Compositio Mathematica
Finite-dimensional categorical complement theorems in strong shape theory and a principle of reversing maps between open subsets of spheres Peter Mrozik — 1991 Compositio Mathematica
Finite-dimensional complement theorems in shape theory and their relation to S-duality Peter Mrozik — 1990 Fundamenta Mathematicae