%0 Journal Article %A I. Kh. Sabitov %T A generalized Heron--Tartaglia formula and some of its consequences %J Sbornik. Mathematics %D 1998 %P 1533-1561 %V 189 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/SM_1998_189_10_a5/ %G en %F SM_1998_189_10_a5