TY  - JOUR
AU  - Karney, D. F.
AU  - Morse, J. N.
AU  - Ben-Israel, A.
TI  - Specifying the systematic risk of portfolios : a closed form solution
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 1985
SP  - 243
EP  - 246
VL  - 19
IS  - 3
PB  - EDP-Sciences
UR  - http://www.numdam.org/item/RO_1985__19_3_243_0/
LA  - en
ID  - RO_1985__19_3_243_0
ER  -