1. Penetration theory for gas absorption accompanied by a second order chemical reaction;Brian;AIChE J.,1961
2. Gas Liquid Reactions;Danckwerts,1970
3. On the regularity of solutions of nonlinear elliptic and parabolic systems of partial differential equations;Friedman;J. Math. Mech.,1958
4. Partial Differential Equations of Parabolic Type;Friedman,1964