@article{MZM_1999_65_5_a18,
     author = {A. V. Loboda},
     title = {On the determination of an affine-homogeneous saddle surface of the space $\mathbb R^3$ from the coefficients of its normal equation},
     journal = {Matemati\v{c}eskie zametki},
     pages = {793--797},
     publisher = {mathdoc},
     volume = {65},
     number = {5},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1999_65_5_a18/}
}