@article{dimitrova2013analyzing, title={Analyzing the Cryptographic Properties of the Sets of Parastrophic Quasigroups of Order 4} author={Dimitrova, Vesna and Trajcheska, Zlatka and Petkovska, Marija} journal={ICT Innovations 2013, Web Proceedings ISSN 1857-7288} pages={253--261} year={2013} }