APA (7th ed.) Citation

Luca, R. (2009). Nonlinear differential problems with first- or second-order differences in Hilbert spaces. Nonlinear analysis, 71(12), e81-e97. https://doi.org/10.1016/j.na.2008.10.006

Chicago Style (17th ed.) Citation

Luca, Rodica. "Nonlinear Differential Problems with First- or Second-order Differences in Hilbert Spaces." Nonlinear Analysis 71, no. 12 (2009): e81-e97. https://doi.org/10.1016/j.na.2008.10.006.

MLA (9th ed.) Citation

Luca, Rodica. "Nonlinear Differential Problems with First- or Second-order Differences in Hilbert Spaces." Nonlinear Analysis, vol. 71, no. 12, 2009, pp. e81-e97, https://doi.org/10.1016/j.na.2008.10.006.