1. Linear and Quasi-linear Equations, Vol. 1;Amann,1995
2. Differential-operator Equations. Ordinary and Partial Differential Equations;Yakubov,2000
3. Linear Differential Equations in Banach Space;Krein,1971
4. Coerciveness inequalities for abstract parabolic equations;Sobolevskii;Doklady Akademi Nauk SSSR,1964
5. R-boundedness, Fourier multipliers and problems of elliptic and parabolic type;Denk;Memoirs of the American Mathematical Society,2003