@article{SIGMA_2018_14_a19,
     author = {Bjorn K. Berntson},
     title = {Special {Solutions} of {Bi-Riccati} {Delay-Differential} {Equations}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a19/}
}