Partial differential equations and mathematical physics. ed. / Lars Hörmander; Anders Melin. Birkhäuser Verlag, 1996. p. 286-320 (Progress in nonlinear differential equations and their applications, Vol. 21).
Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research › peer-review
Mathematical results in quantum mechanics: a conference on QMATH-8. ed. / Ricardo Weder; Pavel Exner; Bernoit Grébert. American Mathematical Society, 2002. p. 163-169 (Contemporary mathematics, Vol. 307).
Research output: Contribution to book/anthology/report/proceeding › Article in proceedings › Research