1. Referans1
@article{poincare1886integrales,
title={Sur les int{\'e}grales irr{\'e}guli{\`e}res},
author={Poincar{\'e}, H.},
journal={Acta mathematica},
volume={8},
number={1},
pages={295--344},
year={1886},
publisher={Springer}
}
2. Referans2
@book{hinch1991perturbation,
title={Perturbation methods},
author={Hinch, E. J.},
year={1991},
publisher={Cambridge University Press}
}
3. Referans3
@book{van1964perturbation,
title={Perturbation methods in fluid mechanics},
author={Van Dyke, M.},
year={1964},
address={New York},
publisher={Academic Press}
}
4. Referans4
@book{bender1978advanced,
title={Advanced mathematical methods for scientists and engineers: {A}symptotic methods and perturbation theory},
author={Bender, C. M. and Orszag, S. A.},
volume={1},
year={1978},
address={New York, NY},
publisher={Springer Verlag New York Inc.}
}
5. Referans5
@book{zaitsev2002handbook,
title={Handbook of exact solutions for ordinary differential equations},
author={Zaitsev, V. F. and Polyanin, A. D.},
year={2002},
address={New York, NY},
edition = {2nd},
publisher={Chapman \& Hall CRC Press Company}
}