@article{10_4064_cm_44_1_29_33,
     author = {Piotr Ossowski},
     title = {Derived functors of $\varprojlim$ and abelian ab3*- and {Ab4*-categories} with enough injectives},
     journal = {Colloquium Mathematicum},
     pages = {29--33},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1981},
     doi = {10.4064/cm-44-1-29-33},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-44-1-29-33/}
}