@article{SM_1983_44_1_a7,
     author = {M. S. Nikol'skii},
     title = {On the alternating integral of {Pontryagin}},
     journal = {Sbornik. Mathematics},
     pages = {125--132},
     publisher = {mathdoc},
     volume = {44},
     number = {1},
     year = {1983},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1983_44_1_a7/}
}