Affine complete algebras abstracting double Kleene and Stone algebras

HAVIAR, Miroslav. Affine complete algebras abstracting double Kleene and Stone algebras. In Acta Universitatis Matthiae Belii : series Mathematics. No. 4 (1996), pp. 3952. 1. vyd. - Banská Bystrica : Univerzita Mateja Bela v Banskej Bystrici, 1996. ISBN 978-80-557-0283-4.