Bouquet, S. E.; Feix, M. R.; Leach, P. G. L. Properties of second-order ordinary differential equations invariant under time translation and self-similar transformation. (English) Zbl 0734.34029 J. Math. Phys. 32, No. 6, 1480-1490 (1991). MSC: 34C20 34C05 34D05 34A25 34A34 PDF BibTeX XML Cite \textit{S. E. Bouquet} et al., J. Math. Phys. 32, No. 6, 1480--1490 (1991; Zbl 0734.34029) Full Text: DOI OpenURL
Kersten, Paul H. M. The general symmetry algebra structure of the underdetermined equation \(u_ x=(v_{xx})^ 2\). (English) Zbl 0738.34007 J. Math. Phys. 32, No. 8, 2043-2050 (1991). MSC: 34A25 58J70 35A30 17B66 PDF BibTeX XML Cite \textit{P. H. M. Kersten}, J. Math. Phys. 32, No. 8, 2043--2050 (1991; Zbl 0738.34007) Full Text: DOI OpenURL
Fradkin, E. S.; Linetskij, V. Ya. Infinite-dimensional generalizations of finite-dimensional symmetries. (English) Zbl 0745.17012 J. Math. Phys. 32, No. 5, 1218-1226 (1991). Reviewer: A.A.Bogush (Minsk) MSC: 17B65 17B68 22E65 81T40 17B35 17B81 PDF BibTeX XML Cite \textit{E. S. Fradkin} and \textit{V. Ya. Linetskij}, J. Math. Phys. 32, No. 5, 1218--1226 (1991; Zbl 0745.17012) Full Text: DOI OpenURL
Daskaloyannis, C. The analytical properties of the off-shell T matrix for infinite rank nonlocal separable potentials. (English) Zbl 0476.45006 J. Math. Phys. 22, 1861-1866 (1981). MSC: 45E10 45H05 81U20 PDF BibTeX XML Cite \textit{C. Daskaloyannis}, J. Math. Phys. 22, 1861--1866 (1981; Zbl 0476.45006) Full Text: DOI OpenURL
Bühring, Wolfgang Schrödinger equation with inverse fourth-power potential, a differential equation with two irregular singular points. (English) Zbl 0289.34008 J. Math. Phys. 15, 1451-1459 (1974). MSC: 34M99 34A25 34A30 34B30 34D05 PDF BibTeX XML Cite \textit{W. Bühring}, J. Math. Phys. 15, 1451--1459 (1974; Zbl 0289.34008) Full Text: DOI OpenURL