@article{IVM_1964_4_a2,
     author = {L. Ya. Berezina},
     title = {On the theory of the two-dimensional surface in $E_{4}$},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {12--18},
     publisher = {mathdoc},
     number = {4},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1964_4_a2/}
}