SEDDIGHIN, M. (2003). OPTIMALLY ROTATED VECTORS. International Journal of Mathematics and Mathematical Sciences, 2003(), 4015-4023-298. https://doi.org/10.1155/S0161171203208334
KULPA, T. (1999). ON APPROXIMATION OF COPULAS. International Journal of Mathematics and Mathematical Sciences, 1999(), 259-269. https://doi.org/10.1155/S0161171299222594