Angelova, I., Vulkov, L. Singularly perturbed differential equations with discontinuous coefficients and concentrated factors,
, , ISSN 0096-3003.
Angelova, I., Vulkov, L. .
Singularly perturbed differential equations with discontinuous coefficients and concentrated factors.
: , , ISSN 0096-3003.
Angelova, I., Vulkov, L. ()
Singularly perturbed differential equations with discontinuous coefficients and concentrated factors,
: , ISSN 0096-3003
Angelova, I., & Vulkov, L.
().
Singularly perturbed differential equations with discontinuous coefficients and concentrated factors. // <I>Appl.<D> math. comp., 158, 2004, N 3, p. 683-701..