// <I>[Third]<D> 3rd International Workshop on Mathematica System in Teaching and Research, Siedlce, 5-7 September 2001.- Siedlce : Univ. of Podlasie [ Institute of Mathematics and Physics, Wydawnictwo Akademii Podlaskiej], 2001, p. 145-154.
(2001)
// <I>[Тридесет]<D>30 години Факултет по математика и информатика: Юбил. науч. сесия Пловдив, 3-4 ноември 2000: Сб. докл.- Пловдив : ПУ "П. Хилендарски", 2000, с.147-151.
(2000)
Ts. Rashkova
Каталог "Библиографии" | Статии от книги - библиография
// <I>Mathematics<D> and Educations in Mathematics: Procееdings of the Twenty-eigth Spring Conference of the Union of Bulgarian Mathematicians, Montana, April 5 - 8, 1999: Proc.- Sofia, 1999, p. 150 - 153.
(1999)
P. Rashkov; Ts. Rashkova
Каталог "Библиографии" | Статии от книги - библиография
// <I>Mathematics<D> and Educations in Mathematics: Procееdings of the Twenty-eigth Spring Conference of the Union of Bulgarian Mathematicians, Montana, April 5 - 8, 1999: Proc.- Sofia, 1999, p. 150 - 153.
(1999)
// <I>[Third]<D> 3rd International Conference "Development in Language Theory", Thessaloniki, 20 - 23 July 1997: Proc.- Thessaloniki : University of Thessaloniki, 1997, p. 559 - 566.
(1997)
P. Rashkov; Ts. Rashkova
Каталог "Библиографии" | Статии от книги - библиография
// <I>Mathematics<D> and Education in Mathematics: Procееdings of the Twenty-sixth Spring Conference of the Union of Bulgarian Mathematicians, Plovdiv, April 22-25 1997: Proc. - Sofia, 1997, p. 190-193.
(1997)
Ts. Rashkova
Каталог "Библиографии" | Статии от книги - библиография
// <I>[Third]<D> 3rd International Conference "Development in Language Theory", Thessaloniki, 20 - 23 July 1997: Proc.- Thessaloniki : University of Thessaloniki, 1997, p. 559 - 566.
(1997)