@article{10_4064_ap_29_4_403_409,
     author = {P. Besala},
     title = {On the existence of a fundamental solution for a parabolic differential equation with unbounded coefficients},
     journal = {Annales Polonici Mathematici},
     pages = {403--409},
     publisher = {mathdoc},
     volume = {29},
     number = {4},
     year = {1974},
     doi = {10.4064/ap-29-4-403-409},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap-29-4-403-409/}
}