لو سمحتو يا جماعة أنا محتاج الكتابين التاليين
Functional analysis and linear operator theory by Carl L. Devito
Functional analysis with applications by B. Choudhary and Sudarsan Nanda
Functional analysis and linear operator theory by Carl L. Devito
Functional analysis with applications by B. Choudhary and Sudarsan Nanda