@article{SM_1978_34_3_a3,
     author = {A. I. Generalov},
     title = {On weak and $\omega$-high purity in the category of modules},
     journal = {Sbornik. Mathematics},
     pages = {345--356},
     publisher = {mathdoc},
     volume = {34},
     number = {3},
     year = {1978},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1978_34_3_a3/}
}