@article{RM_1981_36_2_a11,
     author = {A. M. Lukatskii},
     title = {On the curvature of the group of measure-preserving 
},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {179--180},
     publisher = {mathdoc},
     volume = {36},
     number = {2},
     year = {1981},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1981_36_2_a11/}
}