@article{NSJOM_1998_28_1a_4,
     author = {D. 

 Cveti\'canin, R. Obradovi\'c},
     title = {A {CAGD} 

 method for eliptic cross sections of circular parabolic quadrics},
     journal = {Novi Sad Journal of Mathematics},
     pages = {55-63},
     publisher = {mathdoc},
     volume = {28},
     number = {1},
     year = {1998},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1998_28_1a_4/}
}