@article{980,
  author = {Ning Zhang and Shan Zhang and Peng Yang and Omar Alhussein and Weihua Zhuang and Xuemin Shen},
  title = {Software Defined Space-Air-Ground Integrated Vehicular Networks: Challenges and Solutions},
  year = {2017},
  journal = {IEEE Communications Magazine},
  volume = {55},
  number = {7},
  pages = {101-109},
  publisher = {IEEE},
}