@article{KUTGS_1989_19_a12,
     author = {B. A. Rozenfel'd and N. V. Dushina and I. N. Semenova},
     title = {Differential geometry of real 2-surfaces in dual {Hermitian} {Euclidean} and elliptic spaces},
     journal = {Trudy Geometricheskogo Seminara},
     pages = {107--120},
     publisher = {mathdoc},
     volume = {19},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/KUTGS_1989_19_a12/}
}