Baouendi, M. S.; Goulaouic, C.; Lipkin, L. J. On the operator \(\Delta r^2 + \mu (\partial/\partial r) r + \lambda\). (English) Zbl 0293.35034 J. Differ. Equations 15, 499-509 (1974). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 8 Documents MSC: 35J70 Degenerate elliptic equations 35J15 Second-order elliptic equations 47F05 General theory of partial differential operators 35C10 Series solutions to PDEs × Cite Format Result Cite Review PDF Full Text: DOI References: [1] N. Aronszajn; N. Aronszajn This reference list is based on information provided by the publisher or from digital mathematics libraries. Its items are heuristically matched to zbMATH identifiers and may contain data conversion errors. In some cases that data have been complemented/enhanced by data from zbMATH Open. This attempts to reflect the references listed in the original paper as accurately as possible without claiming completeness or a perfect matching.