Comments on "investigation of the properties of the period for the nonlinear oscillator over(x, ̈) + (1 + over(x, ̇)2) x = 0"
ISSN: 1095-8568, 0022-460X
Year of publication: 2007
Volume: 303
Issue: 3-5
Pages: 925-930
Type: Note
ISSN: 1095-8568, 0022-460X
Year of publication: 2007
Volume: 303
Issue: 3-5
Pages: 925-930
Type: Note