@article{ASNSP_1979_4_6_2_305_0, author = {Fabes, E. and Sroka, S. and Widman, K.-O.}, title = {Littlewood-Paley a priori estimates for parabolic equations with {sub-Dini} continuous coefficients}, journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze}, pages = {305--334}, publisher = {Scuola normale superiore}, volume = {Ser. 4, 6}, number = {2}, year = {1979}, zbl = {0427.35017}, mrnumber = {541451}, language = {en}, url = {http://www.numdam.org/item/ASNSP_1979_4_6_2_305_0/} }