Keywords: Alexander Kovalevsky.JPG en Alexander Onufrievich Kovalevsky pl Aleksander Kowalewski ru Ковалевский Александ Онуф иевич retrieved from Fokin Sergei I Life of Alexander Onufrievich Kowalevsky 1840 1901 Evolution Development 14 1 2012 3-8 anonymous/unknown 1880 public domain due to its age Alexander Kovalevsky PD-old |