1. Sobolev Spaces;Adams,2003
2. An interesting class of operators with unusual Schatten-von Neumann behavior;Aleksandrov,2002
3. Asymptotics of the spectrum of weakly polar integral operators;Birman;Izv. Akad. Nauk SSSR, Ser. Mat.,1970
4. Asymptotic behavior of the spectrum of pseudodifferential operators with anisotropically homogeneous symbols;Birman;Vestnik Leningrad. Univ. Mat. Mekh. Astronom.,1977
5. Estimates of singular numbers of integral operators;Birman;Russ. Math. Surv.,1977