@article{MZM_1994_56_6_a0,
     author = {Yu. A. Aminov},
     title = {Surfaces in $E^4$ with {a~Gaussian} curvature coinciding with {a~Gaussian} torsion up to the sign},
     journal = {Matemati\v{c}eskie zametki},
     pages = {3--9},
     publisher = {mathdoc},
     volume = {56},
     number = {6},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1994_56_6_a0/}
}