TY  - JOUR
AU  - Maloney, John P.
TI  - A non graph theory approach to Ulam's conjecture
JO  - Portugaliae mathematica
PY  - 1977
SP  - 1
EP  - 6
VL  - 36
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/PORMA_1977__36_1_115295/
LA  - en
ID  - PORMA_1977__36_1_115295
ER  -