Rao, B.S.R.Rao, H.S.2026-02-05EigenfunctZAMM Zeitschrift fur Angewandte Mathematik und Mechanik, 1989, 69, 12, pp. 463-467442267https://doi.org/10.1002/zamm.19890691212https://idr.nitk.ac.in/handle/123456789/281031989