TY - BOOK ID - 133761800 TI - Ordinary differential equations PY - 1956 VL - S 349 PB - [New York] : Dover Publications, DB - UniCat KW - Differential equations KW - Equations différentielles UR - https://www.unicat.be/uniCat?func=search&query=sysid:133761800 AB - ER -