@article{RM_1974_29_6_a0,
     author = {I. M. Gel'fand and V. A. Ponomarev},
     title = {Free modular lattices and their representations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {1--56},
     publisher = {mathdoc},
     volume = {29},
     number = {6},
     year = {1974},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1974_29_6_a0/}
}