Address: Vatutina st. 53, Vladikavkaz,
362025, RNO-A, Russia
Phone: (8672)23-00-54
E-mail: rio@smath.ru
Full name: Le Hai Khoi
Work place: School of Physical and Mathematical Sciences, Nanyang Technological University
Work address: 21 Nanyang Link, Singapore 637371
E-mail: lhkhoi@ntu.edu.sg