@incollection{Haddad12, author = {Andrea L’Afflitto andWassim M. Haddad}, title = {A Variational Approach to the Fuel Optimal Control Problem for UAV Formations}, booktitle = {Recent Advances in Aircraft Technology}, publisher = {IntechOpen}, address = {Rijeka}, year = {2012}, editor = {Ramesh K. Agarwal}, chapter = {10}, doi = {10.5772/36628}, url = {https://doi.org/10.5772/36628} }