1 - Linear operators in Hilbert spacesWeidmann Joachim (1939-....) / Szücs, Joseph (Trad.)Cote : [42.4 WEI 80]
2 - Spectral properties of Hamiltonian operatorsJörgens, Konrad (1926-1974) / Weidmann Joachim (1939-....)Cote : [42.4 JOR 73]