@article{10_4064_cm140_2_1,
     author = {Tudor P\u{a}durariu and Cesar E. Silva and Evangelie Zachos},
     title = {On $v$-positive type transformations
 in infinite measure},
     journal = {Colloquium Mathematicum},
     pages = {149--170},
     publisher = {mathdoc},
     volume = {140},
     number = {2},
     year = {2015},
     doi = {10.4064/cm140-2-1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm140-2-1/}
}