Szukana fraza: [Bibliografia = "40. Paulov J., Bezák A., 2017, Constraints as factors reducing the entropy of distributions\: an entropy\-maximizing spatial interaction model as an example, Przegląd Geograficzny, 89, 4, s. 517\-533. https\:\/\/doi.org\/10.7163\/PrzG.2017.4.1"]