Koichiro Harada

A characterization of Janko's two new simple groups

Daniel Gorenstein, Koichiro Harada, D. Gorenstein, 1970 .

Modular forms associated with the Monster module

Mong Lung Lang, Koichiro Harada, 1994 .

Groups with nonconnected Sylow 2-subgroups revisited

Koichiro Harada, 1981 .

Vegetation and Permafrost Thaw Depth 10 Years after a Tundra Fire in 2002, Seward Peninsula, Alaska

Masami Fukuda, Koichiro Harada, Yuki Sawada, 2015 .

“Moonshine” of Finite Groups

Koichiro Harada, 2010 .

Permafrost mapping by transient electromagnetic method

Masami Fukuda, Kazushige Wada, Koichiro Harada, 2000 .

Finite Groups Whose 2-Subgroups Are Generated by at Most 4 Elements

Koichiro Harada, Daniel Gorenstein, D. Gorenstein, 1974 .