A remark on infinity harmonic functions. Crandall, Michael G.; Evans, L.C. — 2001 Electronic Journal of Differential Equations (EJDE) [electronic only]
Semidifferentials, quadratic forms and fully nonlinear elliptic equations of second order Michael G. Crandall — 1989 Annales de l'I.H.P. Analyse non linéaire
A semilinear equation in L 1 ( ℝ N ) Philippe Benilan; Haim Brezis; Michael G. Crandall — 1975 Annali della Scuola Normale Superiore di Pisa - Classe di Scienze