Volume 1, Issue 2 Elżbieta Puźniakowska Classical solutions of quasilinear functional differential systems on the Haar pyramid Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Elżbieta Puźniakowska Find more articles with the same keywords partial differential equations Haar pyramid classical solutions bicharacteristics Find more articles with the same subject classes 35R10 35L60