GAJDOŠ, Jozef - SOCHA, Luboš - MIHALČOVÁ, Bohuslava. The Use of Penalty Functions in Logistics. - Registrovaný: Scopus. In Naše more : International Journal of Maritime Science & Technology. - Dubrovnik : University of Dubrovnik. ISSN 1848-6320, 2014, vol. 61, no. 1-2, pp. 7-10 online. Dostupné na : <http://hrcak.srce.hr/index.php?show=clanak&id_clanak_jezik=179819>