@article{ZR_1997_6_14_a4,
     author = {Steenn Markvorsen},
     title = {Curvature and {Shape}},
     journal = {Zbornik radova},
     pages = {55 },
     publisher = {mathdoc},
     volume = {6},
     number = {14},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZR_1997_6_14_a4/}
}