from: Joseph frédéric auguste darbès, ritratto del matematico léonard euler, 1778.JPG by Sailko I, the copyright holder of this work, hereby publish it under...
Derivative works of this file: Euler 1778.jpg by User:PaulSch I, the copyright holder of this work, hereby publish it under the following license: This...
QS:P31,Q3305213 Description Русский: Эйлер Леонард Павлович Date 1778 date QS:P571,+1778-00-00T00:00:00Z/9 Medium painting Dimensions height: 61.3 cm (24...
