Model theory of comodules. - Septimiu Crivei; Mike Prest; Geert Reynders (J. Symb. Log., 2004)

Relative natural classes and relative injectivity. - Septimiu Crivei (Int. J. Math. Math. Sci., 2005)

Rickart and Dual Rickart Objects in Abelian Categories. - Septimiu Crivei; Arda Kör (Appl. Categorical Struct., 2016)

Rickart and Dual Rickart Objects in Abelian Categories: Transfer via Functors. - Septimiu Crivei; Gabriela Olteanu (Appl. Categorical Struct., 2018)

Relatively divisible and relatively flat objects in exact categories: applications. - Septimiu Crivei; Derya Keskin Tütüncü (Appl. Algebra Eng. Commun. Comput., 2021)