%0 Journal Article %A L. Apostolova %T Hyperbolic Fourth-R Quadratic Equation and Holomorphic Fourth-R Polynomials %J Mathematica balkanica %D 2012 %P 15 %V 26 %N 1-2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MABA_2012_26_1-2_a1/ %F MABA_2012_26_1-2_a1