References
- Dragomir S, Lanconelli E. On the first order linear PDE systems all of whose solutions are harmonic functions. Tsukuba J Math. 2006;30:149–170.
- Cimmino G. Su alcuni sistemi lineari omogenei di equazioni alle derivate parziali del primo ordine. Rend Sem Mat Univ Padova. 1941;12:89–113.
- AbreuBlaya R, BoryReyes J, GuzmánAdán A, et al. Boundary value problems for the Cimmino system via quaternionic analysis. Appl Math Comput. 2012;219:3872–3881.
- AbreuBlaya R, BoryReyes J, Schneider B. On Cauchy type integrals related to the Cimmino system of partial differential equations. Oper Theory Adv Appl. 2014;242:81–92.
- Wang L, Xu Z, Qiao Y. The mixed boundary value problem for the inhomogeneous Cimmino system. Bound Value Probl. 2015;13: doi:10.1186/s13661-014-0273-5
- Cialdea A. On the theory of self-conjugate differential forms. Atti Sem Mat Fis Univ Modena. 1998;XLVI:595–620.
- Caramuta P, Cialdea A. Some applications of the theory of self-conjugate differential forms. Bull TICMI. 2014;18:18–35.
- Fichera G. Spazi lineari di k-misure e di forme differenziali. Proceedings of the International Symposium on Linear Spaces, Vol. 65; 1961; Jerusalem: Israel Academy of Sciences and Humanities. Pergamon Press, p. 175–226.
- Flanders H. Differential forms with applications to the physical sciences. New York (NY): Academic Press; 1963.
- Colautti MP. Sui problemi variazionali di un corpo elastico incompressibile. Mem Acc Naz dei Lincei. 1967;8(1967):291–343.
- Axler S, Bourdon P, Ramey W. Harmonic function theory. Graduate Texts in Mathematics, Vol. 137. Berlin: Springer-Verlag; 1992.