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@article{IVM_1970_9_a2, author = {M. V. Buslaeva}, title = {Trace formulae for nonspectral singularities}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {14--20}, publisher = {mathdoc}, number = {9}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1970_9_a2/} }
M. V. Buslaeva. Trace formulae for nonspectral singularities. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 9 (1970), pp. 14-20. http://geodesic.mathdoc.fr/item/IVM_1970_9_a2/