{"identifier":"nobleid:/w1/20260521/ECF2BDF7","arkIdentifier":"ark:/48914/w1/20260521/ECF2BDF7","version":1,"workTitle":"Global structure of ordinary differential equations in the plane","workType":"Journal Article","authors":"Lawrence Markus","description":null,"workUrl":null,"existingDoi":"10.1090/s0002-9947-1954-0060657-0","createdAt":"2026-05-21T21:55:23.444211Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260521/ECF2BDF7.v1"}