@article{TM_2014_287_a7,
     author = {Alexander Gushchin and Mikhail Urusov and Mihail Zervos},
     title = {On the submartingale/supermartingale property of diffusions in natural scale},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {129--139},
     publisher = {mathdoc},
     volume = {287},
     year = {2014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2014_287_a7/}
}