References
- Lakshmikantham , V. and Vatsala , A.S. 1998 . “ Generalized Quasilinearization for Nonlinear Problems ” . Dordrecht : Kluwer Academic Publisher .
- Vatsala , A.S. , Shahzad , N. and Koksal , S. 1996 . The method of generalized quasilinearization in finite systems . Nonlin. World , 3 : 151 – 157 .
- Lakshmikantham , V. , Leela , S. and Sivasundaram , S. 1995 . Extensions of the method of quasilinearization . J. Optim. Theory Appl , 87 : 379 – 401 .
- Lakshmikantham , V. and Leela , S. 1969 . “ Differential and Integral Inequalities ” . Vol. 1 , New York : Academic Press .