1. Lions' maximal regularity problem with H12-regularity in time;Achache;J. Differ. Equ.,2019
2. A unified approach to abstract linear nonautonomous parabolic equations;Acquistapace;Rend. Semin. Mat. Univ. Padova,1987
3. Sobolev Spaces;Adams,2003
4. J.L. Lions' problem on maximal regularity;Arendt;Arch. Math.,2017
5. On necessary and sufficient conditions for Lp-estimates of Riesz transforms associated to elliptic operators on Rn and related estimates;Auscher;Mem. Am. Math. Soc.,2007