TY  - JOUR
AU  - L. El Hajj
AU  - H. Shahgholian
TI  - Remarks on the convexity of free boundaries (Scalar and system cases)
JO  - Algebra i analiz
PY  - 2020
SP  - 146
EP  - 165
VL  - 32
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AA_2020_32_4_a2/
LA  - en
ID  - AA_2020_32_4_a2
ER  -