1
by Guo, Dajun, Lakshmikantham, V., Xinzhi Liu
Published 1996
Springer US

2
by Lakshmikantham, V., Sivasundaram, S., Kaymakcalan, B.
Published 1996
Springer US

3
by Lakshmikantham, V., Matrosov, V.M., Sivasundaram, S.
Published 1991
Springer Netherlands

4
by Lakshmikantham, V., Lizhi Wen, Binggen Zhang
Published 1994
Springer US