[1] H. T. Banks M. Q. Jacobs: A differential calculus for multifunctions. J. Math. Anal. Appl. 29 (1970), 246-272. MR 0265937

[2] F. S. de Blasi: On the differentiability of multifunctions. Pacific J. Math. 66 (1976), 67-81. MR 0445534 | Zbl 0348.58004

[3] H. Cartan: Calcul differentiel, formes differentielles. Herman, Paris 1967. MR 0223194

[4] J. Daneš J. Durdil: A note on geometric characterization of Frechet differentiability. Comm. Math. Univ. Car. 17 (1976), 195-204. MR 0415663

[5] J. Durdil: On the geometric characterization of differentiability I. Comm. Math. Univ. Car. 15 (1974), 521-540. MR 0426019 | Zbl 0289.58004

[6] J. Durdil: On the geometric characterization of differentiability II. Comm. Math. Univ. Car. 15 (1974), 727-744. MR 0426019 | Zbl 0294.58003

[7] M. Fabian: Theory of Frechet and Gateaux cones and nonlinear analysis. ÚVT-3/77 technical report.

[8] T. M. Flett: On differentiation in normed vector spaces. J. London Math. Soc. 42 (1967), 523-533. MR 0215093

[9] A. Lasota A. Strauss: Asymptotic behavior for differential equations which cannot be locally linearized. J. Diff. Equations 10 (1971), 152-172. MR 0277837

[10] M. Martelli A. Vignoli: On differentiability of multi-valued maps. Boll. Un. Mat. Ital. 10 (1974), 701-712. MR 0370188

[11] M. Z. Nashed: Differentiability and related properties of nonlinear operators: Some aspects of the role of differentials... in "Nonlinear functional analysis and applications" (ed. by J. B. Rail), New York 1971. MR 0276840

[12] E. L. Roetman: Tangent planes and differentiation. Math. Mag. 43 (1970), 1-7. MR 0257290 | Zbl 0193.01501

[13] S. Yamamuro: Differential calculus in topological linear spaces. Lecture notes in mathematics 374, Springer-Verlag Berlin, Heidelberg, New York 1974. MR 0488118 | Zbl 0276.58001