The prime power conjecture is true for $n<2,000,000$.

Gordon, Daniel M.. "The prime power conjecture is true for .." The Electronic Journal of Combinatorics [electronic only] 1 (1994): 1-1. <http://eudml.org/doc/118586>.

@article{Gordon1994,
author = {Gordon, Daniel M.},
journal = {The Electronic Journal of Combinatorics [electronic only]},
keywords = {prime power conjecture; abelian planar difference sets},
language = {eng},
pages = {1-1},
publisher = {Prof. André Kündgen, Deptartment of Mathematics, California State University San Marcos, San Marcos},
title = {The prime power conjecture is true for .},
url = {http://eudml.org/doc/118586},
volume = {1},
year = {1994},
}

TY - JOUR
AU - Gordon, Daniel M.
TI - The prime power conjecture is true for .
JO - The Electronic Journal of Combinatorics [electronic only]
PY - 1994
PB - Prof. André Kündgen, Deptartment of Mathematics, California State University San Marcos, San Marcos
VL - 1
SP - 1
EP - 1
LA - eng
KW - prime power conjecture; abelian planar difference sets
UR - http://eudml.org/doc/118586
ER -