Krapez Aleksandar L,Laskovic Bojana (2024) 3-Diagonal Equation and Planarity of Graphs, PUBLICATIONS DE L INSTITUT MATHEMATIQUE-BEOGRAD, vol. 116, br. 130, str. 1-11 (Article) 

Krapez Aleksandar L,Seselja Branimir M,Tepavcevic Andreja P (2019) Solving linear equations by fuzzy quasigroups techniques, INFORMATION SCIENCES, vol. 491, br. , str. 179-189 (Article) 

Krapez Aleksandar L (2013) Quadratic Level Quasigroup Equations with Four Variables Ii: the Lattice of Varieties, PUBLICATIONS DE L INSTITUT MATHEMATIQUE-BEOGRAD, vol. 93, br. 107, str. 29-47 (Article) 

Krapez Aleksandar L,Zivkovic Dejan (2010) Parastrophically Equivalent Quasigroup Equations, PUBLICATIONS DE L INSTITUT MATHEMATIQUE-BEOGRAD, vol. 87, br. 101, str. 39-58 (Article) 

Krapez Aleksandar L,Simic Slobodan K,Tosic Dejan V (2010) Parastrophically uncancellable quasigroup equations, AEQUATIONES MATHEMATICAE, vol. 79, br. 3, str. 261-280 (Article)