1. Does the Czech system of financial support to the family provide any incentive to couples remaining in informal partnership?
:SIVKOVÁ, Olga. Does the Czech system of financial support to the family provide any incentive to couples remaining in informal partnership? In Demografie : revue pro výzkum populačního vývoje. - Praha : Český statistický úřad, 2012. ISSN 0011-8265, 2012, roč. 54, č. 4, s. 356-368.