Que podo facer?
Atopa
visualización
Artículo Wikipedia
Ivan Georgievich Petrovsky, (Russian: ???´? ???´??????? ?????´?????) (18 January 1901 – 15 January 1973) (the family name is also transliterated as Petrovskii or Petrowsky), was a Soviet mathematician ...
Engadir a Didactalia Arrastra el botón a la barra de marcadores del navegador y comparte tus contenidos preferidos. Más info...