pid type title authors mentors source_title published_date url doi isbn issn eissn pmf:8303 dissertation "Shape derivative techniques in optimal design" "Kunštek, Petar" pmf:7723 dissertation "Homogenization of the elastic plate equation" "Jankov, Jelena" pmf:7722 dissertation "Optimality criteria method for optimal design problems" "Crnjac, Ivana"