Photography by P S Pun

In each category click on each album thumbnail to go to the album. Click on the page number at the bottom right of each album page to go to the specific page. Click on each thumbnail in the album pages to see the full size but still compressed photo.


Home Login
Album list Last uploads Last comments Most viewed Top rated My Favorites Search
Home > 2013-09-19 Russian River Cruise > 2013-09-30 Moscow

Ivan Georgievich Petrovsky (also Petrovskii), a Soviet mathematician in the field of partial differential equations. He greatly contributed to solution of Hilbert's 19th and 16th problems.

_R036430.jpg _R036428.jpg _R036426.jpg _R036425.jpg _R036423.jpg
Rate this file (No vote yet)