Functional interpretation of bar induction by bar recursion W. A. Howard — 1968 Compositio Mathematica
Subgroups of Infinite Index in Fuchsian Groups. A. Howard M. Hoare; Abraham Karrass — 1972 Mathematische Zeitschrift
Nonexistence of Global Weak Solutions to Some Properly and Improperly Posed Problems of Mathematical Physics: The Method of Unbounded Fourier Coefficients. Howard A. Levine — 1975 Mathematische Annalen
Some Uniqueness and Growth Theorems in the Cauchy Problem for P utt + M ut + Nu = 0 in Hilbert Space. Howard A. Levine — 1972 Mathematische Zeitschrift
Teichmüller space is not Gromov hyperbolic. Masur, Howard A.; Wolf, Michael — 1995 Annales Academiae Scientiarum Fennicae. Series A I. Mathematica
A potential well theory for the wave equation with a nonlinear boundary condition. Howard A. Levine; Richard A. Smith — 1987 Journal für die reine und angewandte Mathematik
Quenching of solutions of parabolic equations with nonlinear boundary conditions in several dimensions. Howard A. Levine; Gary M. Lieberman — 1983 Journal für die reine und angewandte Mathematik
Inequalities for Dirichlet and Neumann eingenvalues of the laplacian for domains on spheres M. Ashbaugh; Howard A. Levine — 1997 Journées équations aux dérivées partielles
Mathematical modelling of tumour angiogenesis and the action of angiostatin as a protease inhibitor. Levine, Howard A.; Pamuk, Serdal; Sleeman, Brian D.; Nilsen-Hamilton, Marit — 2002 Journal of Theoretical Medicine