TY  - JOUR
AU  - E. K. Leont'ev
TI  - $r$-orthogonal compositions and their classification in Weyl and Riemannian spaces
JO  - Izvestiâ vysših učebnyh zavedenij. Matematika
PY  - 1977
SP  - 43
EP  - 52
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/IVM_1977_3_a5/
LA  - ru
ID  - IVM_1977_3_a5
ER  -