Harmonic quadrics and certain ruled surfaces of congruences
Doklady Akademii Nauk, Tome 122 (1958) no. 3, pp. 335-338
Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1958_122_3_a2,
author = {S. E. Karapetyan},
title = {Harmonic quadrics and certain ruled surfaces of congruences},
journal = {Doklady Akademii Nauk},
pages = {335--338},
publisher = {mathdoc},
volume = {122},
number = {3},
year = {1958},
language = {ru},
url = {http://geodesic.mathdoc.fr/item/DAN_1958_122_3_a2/}
}
S. E. Karapetyan. Harmonic quadrics and certain ruled surfaces of congruences. Doklady Akademii Nauk, Tome 122 (1958) no. 3, pp. 335-338. http://geodesic.mathdoc.fr/item/DAN_1958_122_3_a2/