@article{mc1153,
author = {Ganchev, Georgi and Milousheva, Velichka},
title = {Meridian surfaces of elliptic or hyperbolic type in the four-dimensional Minkowski space},
journal = {Mathematical Communications},
volume = {21},
number = {1},
year = {2016},
pages = { 1-21},
language = {eng},
url = {http://dml.mathdoc.fr/item/mc1153}
}
Ganchev, Georgi; Milousheva, Velichka. Meridian surfaces of elliptic or hyperbolic type in the four-dimensional Minkowski space. Mathematical Communications, Tome 21 (2016) no. 1, pp. 1-21. http://gdmltest.u-ga.fr/item/mc1153/