@article{SF_1981__23_134512,
     author = {Boris M. Schein},
     title = {Orbituary -  {V.V.} {Vagner} 1908 - 1981},
     journal = {Semigroup forum},
     pages = {190--200},
     publisher = {mathdoc},
     volume = {23},
     year = {1981},
     url = {http://geodesic.mathdoc.fr/item/SF_1981__23_134512/}
}