@article{10_4064_sm202_1_2,
     author = {Mikhail Lifshits and Werner Linde},
     title = {Compactness properties of weighted summation operators on trees},
     journal = {Studia Mathematica},
     pages = {17--47},
     publisher = {mathdoc},
     volume = {202},
     number = {1},
     year = {2011},
     doi = {10.4064/sm202-1-2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm202-1-2/}
}