Volume 15, Issue 3 Michael E. Sta. Brigida Jose Ernie C. Lope Unique solvability of second order nonlinear totally characteristic equations 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 Michael E. Sta. Brigida Jose Ernie C. Lope Find more articles with the same keywords singular equation unique solvability totally characteristic equation Find more articles with the same subject classes 35A01 35A02 35A10 35G20