TY  - JOUR
AU  - Švec, Alois
TI  - On the second covariant derivative of a vector field
JO  - Czechoslovak Mathematical Journal
PY  - 1967
SP  - 77
EP  - 78
VL  - 17
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1967.100761/
DO  - 10.21136/CMJ.1967.100761
LA  - en
ID  - 10_21136_CMJ_1967_100761
ER  -