Лидия Петрова

Проф. д-р Параскев Стоянов и Варна

Lydia Petrova

Prof. Dr. Paraskev Stojanov in Varna

Abstract

There is an abstract in a foreign language at the end of the pdf. file.

ИНМВ 32 – 33 (47 – 48), 1996 – 1997 (изд. 2002 г.)