ZIKOVÁ, Markéta and
Pavel CAHA. The Czech Declension and Syncretism Principle. In KOSTA, Peter and Lilia SCHÜRKS.
Linguistics Investigations into Formal Description of Slavic Languages. Frankfurt am Main, Berlin, Bern: Peter Lang, 2007, p. 471-486, 575 pp. ISBN 978-3-631-55376-3.