References
- Albrycht, J. (1951). L’Hôpital’s rule for vector-valued functions. Colloq. Math. 2: 176–177. DOI: 10.4064/cm-2-3-4-176-177.
- Carter, D. S. (1958). L’Hospital’s rule for complex-valued functions. Amer. Math. Monthly. 65(4): 264–266. DOI: 10.2307/2310244.
- Dobrescu, E., Siclovan, I. (1965). Considerations on functions of two variables. Analele Universitatii Timisoara Seria Stiinte Matematica-Fizica. 3: 109–121.
- Fine, A. I., Kass, S. (1966). Indeterminate forms for multi-place functions. Ann. Polon. Math. 18: 59–64. DOI: 10.4064/ap-18-1-59-64.
- Kishka, Z. M., Abul-Ez, M., Saleem, M., Abd-Elmageed, H. (2013). L’Hospital rule for matrix functions. J. Egyptian Math. Soc. 21(2): 115–118. DOI: 10.1016/j.joems.2013.01.007.
- Popa, D. (1999). On the vector form of the Lagrange formula, the Darboux property and l’Hôpital’s rule (English summary). Real Anal. Exchange. 25(2): 787–793. DOI: 10.2307/44154034.
- Rosenholtz, I. (1991). A topological mean value theorem for the plane. Amer. Math. Monthly. 98(2): 149–154. DOI: 10.2307/2323948.
- Wazewski, T. (1951). Une généralisation des théorèmes sur les accroissements finis au cas des espaces de Banach et application a la généralisation du théorème de l’Hôpital. Ann. Soc. Polon. Math. 24(2): 132–147.
- Young, W. H. (1910). On indeterminate forms. Proc. Lond. Math. Soc. 2(8): 40–76. DOI: 10.1112/plms/s2-8.1.40.