@article{SM_2015_206_7_a1,
     author = {A. S. Voynov and V. Yu. Protasov},
     title = {Compact noncontraction semigroups of affine operators},
     journal = {Sbornik. Mathematics},
     pages = {921--940},
     publisher = {mathdoc},
     volume = {206},
     number = {7},
     year = {2015},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2015_206_7_a1/}
}