@article{JGG_2003_7_2_JGG_2003_7_2_a3,
     author = {M. Peternell and F. Manhart},
     title = {The {Convolution} of a {Paraboloid} and a {Parametrized} {Surface}},
     journal = {Journal for geometry and graphics},
     pages = {157--172},
     publisher = {mathdoc},
     volume = {7},
     number = {2},
     year = {2003},
     url = {http://geodesic.mathdoc.fr/item/JGG_2003_7_2_JGG_2003_7_2_a3/}
}