International mathematical union

Korea, I AO Academy of Sciences of the D.P.R. of Korea

Democratic Republic of Mathematics Section

Pyongyang, D. P. R. of Korea

CM Mathematical Research Committee of the

Academy of Sciences of the D.P.R. of Korea

Dr. Ho-Gon, Secretary

Pyongyang, .P.R. of Korea

Korea, II AO Korean Mathematical Society

Republic of Prof. Kun Soo Chang, President

The Korea Science and Technology Center 214

635-4, Yeoksam-dong

Kangnam-ku, Seoul 135-703, Korea

Fax: [phone]

CM The National Committee of Korea

Dr. Woo, Moo Ha, President

Dep.Math. Education

Korea Univ, Anam-Dong,

Sugbuk-ku 136-701, Seoul

Republic of Korea

Tel: (82) (2) 920 1608 - Fax: [phone]

Latvia I AO Professors. Uldis Raitums

CM Institute of Math. And Computer Science

Latvijas Matematikas Society

Raina b. 29, Riga, LV – 1459 - Latvia

Fax: [phone]

e-mail: [e-mail]