@article{MZ_1966__92_170563,
     author = {U. Shukla},
     title = {An {Interpretation} of {Ext...} (..., {M).}},
     journal = {Mathematische Zeitschrift},
     pages = {340--348},
     publisher = {mathdoc},
     volume = {92},
     year = {1966},
     zbl = {0142.28102},
     url = {http://geodesic.mathdoc.fr/item/MZ_1966__92_170563/}
}