@article{GDZPPN000365378,
title = {A New Step in the Solution of the Sz\"okefalvi-Nagy Problem.},
journal = {Discrete \& computational geometry},
volume = {7},
year = {1992},
pages = {27-50},
zbl = {0756.52009},
url = {http://dml.mathdoc.fr/item/GDZPPN000365378}
}
Boltyanski, V.G. A New Step in the Solution of the Szökefalvi-Nagy Problem.. Discrete & computational geometry, Tome 7 (1992) pp. 27-50. http://gdmltest.u-ga.fr/item/GDZPPN000365378/