@article{10_4064_sm162_3_3,
     author = {Feng-Yu Wang},
     title = {$L^1$-convergence and hypercontractivity of
 diffusion semigroups on manifolds},
     journal = {Studia Mathematica},
     pages = {219--227},
     publisher = {mathdoc},
     volume = {162},
     number = {3},
     year = {2004},
     doi = {10.4064/sm162-3-3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm162-3-3/}
}