Yves Colin de Verdière, “Sur un nouvel invariant des graphes et un critère de planarité”, Journal of Combinatorial Theory, Series B, 50:1 (1990), 11
Gérard Besson, “Proprétés génériques des fonctions propres et multiplicité”, Commentarii Mathematici Helvetici, 64:1 (1989), 542
Gérard Besson, Lecture Notes in Mathematics, 1339, Geometry and Analysis on Manifolds, 1988, 32
Thomas Kappeler, “Multiplicities of the eigenvalues of the Schrödinger equation in any dimension”, Journal of Functional Analysis, 77:2 (1988), 346
Y. Colin de Verdière, “Sur une hypothèse de transversalité d'Arnold”, Commentarii Mathematici Helvetici, 63:1 (1988), 184
Bonita Hart Driscoll, “Eigenvalues on a Domain with Discrete Rotational Symmetry”, SIAM J. Math. Anal., 18:4 (1987), 941
Anne-Marie Charbonnel, “Localisation et developpment asymptotique des elements du spectre conjoint d'operateurs pseudodifferentiels qui commutent”, Integr equ oper theory, 9:4 (1986), 502
M. V. Berry, NATO ASI Series, 120, Chaotic Behavior in Quantum Systems, 1985, 123
Philip Pechukas, “Remarks on semiclassical quantization”, The Journal of Chemical Physics, 78:6 (1983), 3999
George M. Zaslavsky, “Stochasticity in quantum systems”, Physics Reports, 80:3 (1981), 157