@article{RM_1975_30_5_a2,
     author = {I. M. Gel'fand and L. A. Dikii},
     title = {Asymptotic benaviour of the resolvent of {Sturm--Liouville} equations and the algebra of the {Korteweg--de~Vries} equations},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {77--113},
     publisher = {mathdoc},
     volume = {30},
     number = {5},
     year = {1975},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/RM_1975_30_5_a2/}
}