@article{MM2_1979__27_154604,
     author = {Goswin Eisen},
     title = {A {Selection} {Lemma} for {Sequences} of {Measurable} {Sets,} and {Lower} {Semicontinuity} of {Multiple} {Integrals.}},
     journal = {Manuscripta mathematica},
     pages = {73--80},
     publisher = {mathdoc},
     volume = {27},
     year = {1979},
     zbl = {0404.28004},
     url = {http://geodesic.mathdoc.fr/item/MM2_1979__27_154604/}
}