Contacts
Founding Editor: D. Bainov
P.O. Box 45, Sofia 1504, BULGARIA
e-mail: drumibainov@yahoo.com
Managing Editor: Svetoslav Nenov
Department of Mathematics
University of Chemical Technology and Metallurgy
Kliment Ohridski Blvd., 8, Sofia 1756, BULGARIA
e-mail: svety@math.uctm.edu
skype: svetoslav.nenov