The regularized trace of a self adjoint differential operator of higher order with unbounded operator coefficient
2011 ◽
Vol 218
(5)
◽
pp. 2113-2121
1971 ◽
Vol 5
(1)
◽
pp. 9-18
◽
2011 ◽
Vol 53
(5-6)
◽
pp. 553-565
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