1. A quasi-linear boundary value problem;Duff, G. F. D.;Trans. Roy. Soc. Canada Sect. III,1955
2. Generalized heat transfer between solids and gases under nonlinear boundary conditions;Friedman, Avner;J. Math. Mech.,1959
3. A boundary value problem of partial differential equations of parabolic type;Itô, Seizô;Duke Math. J.,1957
4. A remark on my paper “A boundary value problem of partial differential equations of parabolic type” in Duke Mathematical Journal;Itô, Seizô;Proc. Japan Acad.,1958