Coster, C., & Habets, P. (2006). Two-point boundary value problems lower and upper solutions. Elsevier.
Stile di citazione ChicagoCoster, C.De, e P. Habets. Two-point Boundary Value Problems Lower and Upper Solutions. Amsterdam: Elsevier, 2006.
Citazione MLACoster, C.De, e P. Habets. Two-point Boundary Value Problems Lower and Upper Solutions. Elsevier, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.