TY  - JOUR
AU  - W.W. Boone
AU  - H., Jr. Rogers
TI  - On a Problem of J.H.C. Whitehead and a Problem of Alonzo Church.
JO  - Mathematica Scandinavica
PY  - 1966
SP  - 185
EP  - 192
VL  - 19
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MS2_1966__19_165969/
ID  - MS2_1966__19_165969
ER  -