A. Goepfert, H. Riahi, Chr. Tammer, C. Zalinescu. Variational Methods in Partially Ordered Spaces, 2nd edition, CMS/CAIMS Books in Mathematics, vol. 7, Springer Nature Switzerland AG, 2023. (xxviii+553 pages); Preface (pdf), Contents (pdf)), Errata (pdf),  [bib]

A. A. Khan, Chr. Tammer, C. Zalinescu. Set-valued Optimization. Springer-Verlag, Berlin, 2015 (765 pages); Contents (pdf))  [bib].

A. Goepfert, H. Riahi, Chr. Tammer, C. Zalinescu. Variational Methods in Partially Ordered Spaces. Springer-Verlag, New York, 2003 (364 pages); Preface (pdf); Contents (pdf))  MR-Review (pdf),  Stud. Univ. Babes-Bolyai Math. - Review (pdf),  [bib].

C. Zalinescu. Convex Analysis in General Vector Spaces. World Scientific, New Jersey - London - Singapore - Hong Kong, 2002 (387 pages); Introduction (pdf),  MR-Review (pdf),  ZBL-Review (pdf),  Stud. Univ. Babes-Bolyai Math. - Review (pdf),  Errata (pdf),  [bib].

C. Zalinescu. Mathematical Programming in Infinite Dimensional Normed Linear Spaces . Editura Academiei Romane, Bucharest, 1998 (In Romanian; 248 pages; Cuprins (pdf);  presentation in Romanian) [bib].