@article{BUMI_1998_8_1B_3_a9,
     author = {Manfredini, Maria and Polidoro, Sergio},
     title = {Interior regularity for weak solutions of ultraparabolic equations in divergence form with discontinuous coefficients},
     journal = {Bollettino della Unione matematica italiana},
     pages = {651--675},
     publisher = {mathdoc},
     volume = {Ser. 8, 1B},
     number = {3},
     year = {1998},
     zbl = {0933.35115},
     mrnumber = {1239929},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1998_8_1B_3_a9/}
}