@article{SM_1998_189_10_a5,
     author = {I. Kh. Sabitov},
     title = {A generalized {Heron--Tartaglia} formula and some of its consequences},
     journal = {Sbornik. Mathematics},
     pages = {1533--1561},
     publisher = {mathdoc},
     volume = {189},
     number = {10},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1998_189_10_a5/}
}