@article{SM_1980_36_4_a4,
     author = {A. A. Pankov},
     title = {Bounded and almost periodic solutions of evolutionary variational inequalities},
     journal = {Sbornik. Mathematics},
     pages = {519--533},
     publisher = {mathdoc},
     volume = {36},
     number = {4},
     year = {1980},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1980_36_4_a4/}
}