@article{10_4153_CJM_2002_043_6,
     author = {Binding, Paul and \'Curgus, Branko},
     title = {Form {Domains} and {Eigenfunction} {Expansions} for {Differential} {Equations} with {Eigenparameter} {Dependent} {Boundary} {Conditions}},
     journal = {Canadian journal of mathematics},
     pages = {1142--1164},
     year = {2002},
     volume = {54},
     number = {6},
     doi = {10.4153/CJM-2002-043-6},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-2002-043-6/}
}