New approach to the fractional derivatives. Trenčevski, Kostadin — 2003 International Journal of Mathematics and Mathematical Sciences
On an open problem of Bai-Ni Guo and Feng Qi. Tomovski, Živorad; Trenčevski, Kostadin — 2003 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
On a generalized n -inner product and the corresponding Cauchy-Schwarz inequality. Trencevski, Kostadin; Malceski, Risto — 2006 JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
Principal values and principal subspaces of two subspaces of vector spaces with inner product. Risteski, Ice B.; Trencevski, Kostadin G. — 2001 Beiträge zur Algebra und Geometrie
A simple functional operator. Risteski, Ice B.; Trenčevski, Kostadin G.; Covachev, Valéry C. — 1999 The New York Journal of Mathematics [electronic only]
Cyclic complex vector functional equations. Risteski, Ice B.; Trenčevski, Kostadin G.; Covachev, Valéry C. — 2000 APPS. Applied Sciences
On two Tensor Fields Which are Analogous to Curvature and Torsion Tensor Fields Kostadin Trenčevski — 1997 Matematički Vesnik
A new cohomology on special kinds of complex manifolds Kostadin Trenčevski — 2003 Kragujevac Journal of Mathematics
Representation of the Lorentz transformations in 6-dimensional space-time Kostadin Trenčevski — 2011 Kragujevac Journal of Mathematics
On the osculating spaces of submanifolds in Euclidean spaces Kostadin Trenčevski — 2012 Kragujevac Journal of Mathematics
Some complex vector systems of partial functional equations Ice B. Risteski; Kostadin G. Trenčevski; Valéry C. Covachev — 2003 Archivum Mathematicum In this paper some types of complex vector systems of partial linear and non-linear functional equations are solved.