Skinner, L. A.     Singular perturbation theory [Electronic resource] / L. A. Skinner. - Electronic text data. - Boston, Ma : Springer Science+Business Media LLC, 2011. - ISBN 978-1-4419-9958-0 : Б. ц. Рубрики: Mathematics    Differential equations    Mathematics    Approximations and expansions    Ordinary differential equations    Applications of mathematics См. : Текст издания Доп.точки доступа: SpringerLink (Online service) Свободных экз. нет