History (2) Genealogy (2) Genealogy (2) Nineteen fifties (2) Nineteen thirties (2) Equilibrium (2) Equations (2) Classification (2) Classification (2) histoire (1) analyse (1) classification (1) sciences sociales (1) Vienne (1) Vienne (1) Vienne (1) Lausanne (1) Minors (1) Social sciences (1) Science (1) History (1) Genealogy (1) Essay (1) Dimensions (1) Demonstrations (1) Classification (1) Civilization, Modern (1) Building (1) Mathematics (1) Analysis (1)