Разширено търсене
Автор да съдържа E. Kalcheva
Каталог "Библиографии" | Периодични издания
Electrochemical Investignation of the Adsorption Behaviour of Anhydrides and Imides on Iron in Acid Medium
// <I>Journal<D> of Applied Elektrochemistry, 2000.
(2000)
Каталог "Библиографии" | Периодични издания
On the existence of multiple periodic solutions of fourth-order semilinear differential equations
// <I>Proc.<D> Union of scientists - Ruse, 10, 2013, Book 5. Mathematics, informatics and physics, p. 19-26.
E. Kalcheva
Каталог "Библиографии" | Периодични издания
On some applications of the maximum principle
// <I>Науч.<D> тр. Русенски унив. А. Кънчев, 41, 2004, N 6.1, с. 35-43.
S. Terzian; E. Kalcheva
Каталог "Библиографии" | Периодични издания
Three approaches toward sublinear emden-fowler equation
// <I>Proc.<D> Union of scientists - Ruse, 7, 2010, Book 5. Mathematics, informatics and physics, p. 7-13.
J. Chaparova; E. Kalcheva
Каталог "Библиографии" | Периодични издания
Existence and multiplicity of periodic solutions of second-order ODE with sublinear and superlinear terms
// <I>Proc.<D> Union of scientists - Ruse, 11, 2014, Book 5. Mathematics, informatics and physics, p. 14-22.
J. Chaparova; E. Kalcheva
Каталог "Библиографии" | Статии от книги - библиография
Numerical investigation of multiple periodic solutions of fourth-order semi-linear ODE
// <I>AMEE' 2012<D> Proceedings of the 38th International conference "Applications of mathematics in engineering and economics", Sozopol, Bulgaria, 2012, Ser. AIP conference proc., 1497, 2012, p. 152-159.
J. Chaparova; E. Kalcheva; M. Kostova
Каталог "Библиографии" | Статии от книги - библиография
Numerical investigation of multiple periodic solutions of fourth-order semi-linear ODE
// <I>American<D> institute of physics CP, 1497, 2012, p. 152-159.
J. Chaparova; E. Kalcheva; M. N. Koleva