TY  - JOUR
AU  - A. O. Korneeva
AU  - A. P. Norden
TI  - The isotropic normal congruences that are connected with curves of $n$-dimensional Lorentz space $L_n(n\geq 4)$
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1974
SP  - 51
EP  - 54
IS  - 11
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1974_11_a6/
LA  - ru
ID  - IVM_1974_11_a6
ER  -