@article{10_4171_dm_736,
     author = {Krzysztof Bogdan and Pawe{\l} Sztonyk and Victoria Knopova},
     title = {Heat {Kernel} of {Anisotropic} {Nonlocal} {Operators}},
     journal = {Documenta mathematica},
     pages = {1--54},
     year = {2020},
     volume = {25},
     doi = {10.4171/dm/736},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/dm/736/}
}