Pramod Chakravarthy Podila Vishwas Sundrani Higinio Ramos Jesús Vigo-Aguiar Wavelet-based approximation for two-dimensional singularly perturbed elliptic problems. 116069 2024 451 J. Comput. Appl. Math. https://doi.org/10.1016/j.cam.2024.116069 db/journals/jcam/jcam451.html#PodilaSRV24 streams/journals/jcam
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