Poincaré Ordinary Differential Equations Genealogy of Modern Mathematics 6 First edition, first printing: September 10, 1970 Published by: Kyōritsu Shuppan Price: 2800 yen 427 pages ⚫︎Condition Traces of a removed library sticker (Image 6) Strong yellowing and tanning on the endpapers (Images 7 & 8) Slight stains on the top edge (Image 9) The contents are generally in good condition without any major noticeable scratches or stains. Please forgive any oversights or misdescriptions. Instant purchase is welcome. Waterproof packaging, and will be sent via Rakuraku Mercari's "Takkyubin Compact" service (Image 13)