@article{DAN_1962_145_3_a5,
     author = {V. V. Goldberg},
     title = {Conjugate nets with $T_1$-pairs as pairs of axial congruences},
     journal = {Doklady Akademii Nauk},
     pages = {501--503},
     publisher = {mathdoc},
     volume = {145},
     number = {3},
     year = {1962},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1962_145_3_a5/}
}