@article{DAN_1960_133_1_a2,
     author = {V. V. Goldberg},
     title = {A family of axial planes of a two-dimensional surface in a four-dimensional projective space 
},
     journal = {Doklady Akademii Nauk},
     pages = {16--19},
     publisher = {mathdoc},
     volume = {133},
     number = {1},
     year = {1960},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1960_133_1_a2/}
}