Looking for a c-number ("classical") solution of the equation in the title.
Ruelle, DavidCollaboration with Canada, Czechoslovakia, Cyprus, DDR and Egypt.
Schopper, Herwig FranzCollaboration with Finland and Hungary. Document 'CERN-Työryhmän Välimuistio' (Helsinki, 1988). Visits to CERN. Booklet on 'International Association of Physics Students, 1988'.
Schopper, Herwig FranzCollaboration with India, Iran, Ireland, Iraq and Israel
Schopper, Herwig FranzCollaboration with Japan, Jordan, Korea and Lebanon. Agreement on Academic Exchanges between the European Organization for Nuclear Research and the University of Tokyo.
Schopper, Herwig FranzCollaboration with New Zealand, Nicaragua, Nideia, Pakistan, Peru, Poland, Rumania, Singapore, Saudi Arabia, South Africa, Syria, Taiwan and Turkey. Agreement on Scientific and Technical Assistance between the European Organization for Nuclear Research and The Synchrotron Radiation Research Centre (TAIPEI)
Schopper, Herwig FranzCorrespondence and memoranda. List of CERN Spanish staff (1984, June). CERN press releases on Spain's announcement of re-joining CERN (1982-02-22) and on Spain becoming the 13th Member State (1983, December). Contribution of Spain (CERN-1455). Draft Council resolution concerning Spain's Special Contribution. Accession of Spain (CERN-CC-1450). Spain's application for membership (CERN-CC-1440). Document ' España y el CERN' (1980, Septiembre). CERN-1455-Rev. CERN-CC-1452 CERN-1457 CERN-CC-1450 CERN-CC-1451 CERN-1445 CERN-CC-1441-Draft CERN-CC-1440 CERN-CC-1439 CERN-SPC-480-Draft CERN-CC-1418
Schopper, Herwig FranzProposed guidelines relative to the participation of Non-Member States in the CERN programme. The participation of Non-Member States in the CERN Programme (CERN-CC-1686). Associate membership (June 1988). CERN and new member states (1987-09-22). Collaboration and correspondence with South Africa, Argentina, Australia, Bolivia, Brazil and Bulgaria. CERN-SPC-560 CERN-CC-1686
Schopper, Herwig FranzAlphabetical files, People's Republic of China, Spain, USSR
Schopper, Herwig Franz