TY  - JOUR
AU  - N'Guessan, Assi
TI  - Constrained covariance matrix estimation in road accident modelling with Schur complements
JO  - Comptes Rendus. Mathématique
PY  - 2003
SP  - 219
EP  - 222
VL  - 337
IS  - 3
PB  - Elsevier
UR  - http://www.numdam.org/articles/10.1016/S1631-073X(03)00309-1/
DO  - 10.1016/S1631-073X(03)00309-1
LA  - en
ID  - CRMATH_2003__337_3_219_0
ER  -