@article{RM_2008_63_4_a3,
     author = {M. Schlichenmaier and O. K. Sheinman},
     title = {Central extensions of {Lax} operator algebras},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {727--766},
     publisher = {mathdoc},
     volume = {63},
     number = {4},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_2008_63_4_a3/}
}