Drábek, Pavel; Opic, Bohumír; Rákosník, Jiří Some notes to an improbable anniversary. (English) Zbl 0812.01036 Czech. Math. J. 44, No. 2, 375-382 (1994). MSC: 01A70 01A65 PDFBibTeX XMLCite \textit{P. Drábek} et al., Czech. Math. J. 44, No. 2, 375--382 (1994; Zbl 0812.01036) Full Text: EuDML
Glushko, V. P.; Savchenko, Yu. B. Higher-order degenerate elliptic equations: spaces, operators, boundary- value problems. (English. Russian original) Zbl 0657.35064 J. Sov. Math. 39, No. 6, 3088-3148 (1987); translation from Itogi Nauki Tekh., Ser. Math. Anal. 23, 125-218 (1985). MSC: 35J70 35J40 35S05 46E35 PDFBibTeX XMLCite \textit{V. P. Glushko} and \textit{Yu. B. Savchenko}, J. Sov. Math. 39, No. 6, 3088--3148 (1987; Zbl 0657.35064); translation from Itogi Nauki Tekh., Ser. Math. Anal. 23, 125--218 (1985) Full Text: DOI