Amato, Roberto Some relations among Pythagorean triples. (English) Zbl 07264174 Int. J. Math. Comput. Sci. 16, No. 1, 143-147 (2021). MSC: 11D61 PDF BibTeX XML Cite \textit{R. Amato}, Int. J. Math. Comput. Sci. 16, No. 1, 143--147 (2021; Zbl 07264174) Full Text: Link
Amato, Roberto A note on Pythagorean triples. (English) Zbl 07227801 Int. J. Math. Comput. Sci. 15, No. 2, 485-490 (2020). MSC: 11D61 PDF BibTeX XML Cite \textit{R. Amato}, Int. J. Math. Comput. Sci. 15, No. 2, 485--490 (2020; Zbl 07227801) Full Text: Link
Amato, Roberto A characterization of Pythagorean triples. (English) Zbl 1420.11059 JP J. Algebra Number Theory Appl. 39, No. 2, 221-230 (2017). MSC: 11D09 PDF BibTeX XML Cite \textit{R. Amato}, JP J. Algebra Number Theory Appl. 39, No. 2, 221--230 (2017; Zbl 1420.11059) Full Text: DOI
Amato, Roberto On the fractional differentiability of the spatial derivatives of weak solutions to nonlinear parabolic systems of higher order. (English) Zbl 1389.35305 Czech. Math. J. 66, No. 2, 293-305 (2016). MSC: 35R11 35K41 PDF BibTeX XML Cite \textit{R. Amato}, Czech. Math. J. 66, No. 2, 293--305 (2016; Zbl 1389.35305) Full Text: DOI Link
Amato, Roberto Solvability of the normal derivative problem for nonlinear nonvariational elliptic systems. (English) Zbl 0872.35034 Commun. Appl. Anal. 1, No. 2, 185-189 (1997). MSC: 35J60 PDF BibTeX XML Cite \textit{R. Amato}, Commun. Appl. Anal. 1, No. 2, 185--189 (1997; Zbl 0872.35034)
Amato, R. A remark on non variational basic parabolic systems of second order of Campanato type. (English) Zbl 0823.35093 Rend. Semin. Mat., Torino 51, No. 2, 105-108 (1993). MSC: 35K60 PDF BibTeX XML Cite \textit{R. Amato}, Rend. Semin. Mat., Torino 51, No. 2, 105--108 (1993; Zbl 0823.35093)
Amato, Roberto A fundamental estimate and an inequality of Caccioppoli’s type for nonlinear parabolic systems of higher order. (English) Zbl 0789.35078 Czech. Math. J. 41(116), No. 3, 422-428 (1991). MSC: 35K55 35K40 35B45 35D10 PDF BibTeX XML Cite \textit{R. Amato}, Czech. Math. J. 41(116), No. 3, 422--428 (1991; Zbl 0789.35078) Full Text: EuDML
Amato, Roberto Some regularity results for basic systems of nonlinear parabolic type. (Italian. English summary) Zbl 0794.35019 Atti Accad. Peloritana Pericolanti, Cl. Sci. Fis. Mat. Nat. 68, 387-399 (1990). MSC: 35D10 35K55 35K40 PDF BibTeX XML Cite \textit{R. Amato}, Atti Accad. Peloritana Pericolanti, Cl. Sci. Fis. Mat. Nat. 68, 387--399 (1990; Zbl 0794.35019)
Amato, Roberto Local differentiability for the solutions to basic systems of higher order. (English) Zbl 0693.35025 Matematiche 42, No. 1-2, 109-119 (1987). Reviewer: R.Johnson MSC: 35D10 35K55 35K25 PDF BibTeX XML Cite \textit{R. Amato}, Matematiche 42, No. 1--2, 109--119 (1987; Zbl 0693.35025)
Amato, Roberto Regularity results for a class of second order quasilinear parabolic systems. (Italian. English summary) Zbl 0646.35045 Matematiche 39, No. 1-2, 133-142 (1984). MSC: 35K60 35D10 35K20 35B65 PDF BibTeX XML Cite \textit{R. Amato}, Matematiche 39, No. 1--2, 133--142 (1984; Zbl 0646.35045)
Amato, Roberto On the determination of Pythagorean triplets. (Italian. English summary) Zbl 0586.51019 Atti Soc. Peloritana Sci. Fis. Mat. Nat. 27, 3-8 (1981). Reviewer: Dan Brânzei MSC: 51M15 PDF BibTeX XML Cite \textit{R. Amato}, Atti Soc. Peloritana Sci. Fis. Mat. Nat. 27, 3--8 (1981; Zbl 0586.51019)