Sutopo

I am a Lecturer at  Department of Mathematics , Faculty Mathematics and Natural Sciences, Universitas Gadjah Mada.

Sutopo

Algebra Research Group, Department of Mathematics, FMNS
Universitas Gadjah Mada
Sekip Utara BLS 21 Yogyakarta, Indonesia, 55281
Telp. (+62 274) 552243, Fax. (+62 274) 555131,

Email. maths1[at]ugm.ac.id