A1 Refereed original research article in a scientific journal

CARDINALITY PROBLEMS OF COMPOSITIONS OF MORPHISMS AND INVERSE MORPHISMS

Authors: HARJU T, KLEIJN HCM

Publisher: SPRINGER VERLAG

Publication year: 1989

Journal: Mathematical systems theory

Journal name in source: MATHEMATICAL SYSTEMS THEORY

Journal acronym: MATH SYST THEORY

Volume: 22

Issue: 3

First page : 151

Last page: 159

Number of pages: 9

ISSN: 0025-5661

DOI: https://doi.org/10.1007/BF02088295