Lev Landau«Das Dämpfungsproblem in der Wellenmechanik (The Damping Problem in Wave Mechanics)».Zeitschrift für Physik,45,5–6,1927,p.430–441. Bibcode: 1927ZPhy...45..430L. DOI: 10.1007/bf01343064. English translation reprinted in: D. Ter Haar. Collected papers of L.D. Landau. Oxford:Pergamon Press,1965.
McCauley, Martin. Who's Who in Russia Since 1900.Routledge,1997,p.128.«Landau, Lev Davydovich (1908-68), a brilliant Soviet theoretical physicist, who was born into a Jewish family in Baku and graduated from Leningrad State University in 1927.»
Lev Landau«Das Dämpfungsproblem in der Wellenmechanik (The Damping Problem in Wave Mechanics)».Zeitschrift für Physik,45,5–6,1927,p.430–441. Bibcode: 1927ZPhy...45..430L. DOI: 10.1007/bf01343064. English translation reprinted in: D. Ter Haar. Collected papers of L.D. Landau. Oxford:Pergamon Press,1965.
Personnel de rédaction.«The Nobel Prize in Physics 1962». Fondation Nobel,2010.[Consulta: 17 juny 2010].«for his pioneering theories for condensed matter, especially liquid helium»
Durant aquest període Landau va visitar Copenhagen tres vegades: del 8 d'abril al 3 de maig de 1930, del 20 de setembre al 22 novembre de 1930, i del 25 de febrer al 19 de març de 1931 (vegeu Landau Lev biography – MacTutor History of Mathematics).