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2007 | ||
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2 | EE | Ivanka Tr. Angelova, Lubin G. Vulkov: High-order finite difference schemes for elliptic problems with intersecting interfaces. Applied Mathematics and Computation 187(2): 824-843 (2007) |
2004 | ||
1 | EE | Ivanka Tr. Angelova, Lubin G. Vulkov: Singularly perturbed differential equations with discontinuous coefficients and concentrated factors. Applied Mathematics and Computation 158(3): 683-701 (2004) |
1 | Lubin G. Vulkov | [1] [2] |