TY  - JOUR
AU  - H.G. Diamond
AU  - F. Albrecht
TI  - An Extremal Problem Involving Functions and Their Inverses.
JO  - Mathematica Scandinavica
PY  - 1971
SP  - 328
EP  - 336
VL  - 29
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1971__29_166218/
ID  - MS2_1971__29_166218
ER  -