Septimiu Crivei. Relative natural classes and relative injectivity. Int. J. Math. Mathematical Sciences, 2005(5):671-678, 2005. [doi]
@article{Crivei05a,
title = {Relative natural classes and relative injectivity},
author = {Septimiu Crivei},
year = {2005},
doi = {10.1155/IJMMS.2005.671},
url = {http://dx.doi.org/10.1155/IJMMS.2005.671},
researchr = {https://researchr.org/publication/Crivei05a},
cites = {0},
citedby = {0},
journal = {Int. J. Math. Mathematical Sciences},
volume = {2005},
number = {5},
pages = {671-678},
}