@article{PMATES_2004__48_2_41508,
     author = {Steve Hofmann and Seick Kim},
     title = {Gaussian estimates for fundamental solutions to certain parabolic systems.},
     journal = {Publicacions Matem\`atiques},
     pages = {481-496},
     volume = {48},
     number = {2},
     year = {2004},
     zbl = {an:1061.35023},
     language = {en},
     url = {https://geodesic-test.mathdoc.fr/item/PMATES_2004__48_2_41508/}
}