TY  - JOUR
AU  - Töllis, Theodore
TI  - On means of positive definite matrices
JO  - Czechoslovak Mathematical Journal
PY  - 1987
SP  - 628
EP  - 641
VL  - 37
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1987.102190/
DO  - 10.21136/CMJ.1987.102190
LA  - en
ID  - 10_21136_CMJ_1987_102190
ER  -