@article{SMJ2_1997_23_2_a1,
     author = {Bakalov, B. and Horozov, E. and Yakimov, M.},
     title = {Highest {Weight} {Modules} of {W1+\ensuremath{\infty},} {Darboux} {Transformations} and the {Bispectral} {Problem}},
     journal = {Serdica Mathematical Journal},
     pages = {95--112},
     publisher = {mathdoc},
     volume = {23},
     number = {2},
     year = {1997},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_1997_23_2_a1/}
}