@article{publication-20876, author={Koch-Medina, Pablo and Daners, Daniel}, issn={0893-4983}, journal={Differential and Integral Equations}, number=1, pages={235-255}, publisher={Khayyam Publishing}, title={Superconvexity of the evolution operator and parabolic eigenvalue problems on RN Differential and Integral Equations}, volume=7, year=1994, }