Metafune, G., Sobajima, M. and Spina, C. 2019. Elliptic and parabolic problems for a class of operators with discontinuous coefficients. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE. 19, 2 (Jun. 2019), 601-654. DOI:https://doi.org/10.2422/2036-2145.201605_002.