TY  - JOUR
AU  - Bullen, P. S.
AU  - Sarkhel, D. N.
TI  - On Darboux and Mean Value Properties
JO  - Canadian mathematical bulletin
PY  - 1987
SP  - 223
EP  - 230
VL  - 30
IS  - 2
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-032-8/
DO  - 10.4153/CMB-1987-032-8
ID  - 10_4153_CMB_1987_032_8
ER  -