A non graph theory approach to Ulam's conjecture
Portugaliae mathematica, Tome 36 (1977) no. 1, pp. 1-6
@article{PORMA_1977__36_1_115295,
author = {Maloney, John P.},
title = {A non graph theory approach to {Ulam's} conjecture},
journal = {Portugaliae mathematica},
pages = {1--6},
year = {1977},
volume = {36},
number = {1},
mrnumber = {0535216},
zbl = {0435.05049},
language = {en},
url = {http://geodesic.mathdoc.fr/item/PORMA_1977__36_1_115295/}
}
Maloney, John P. A non graph theory approach to Ulam's conjecture. Portugaliae mathematica, Tome 36 (1977) no. 1, pp. 1-6. http://geodesic.mathdoc.fr/item/PORMA_1977__36_1_115295/