@article{ZNSL_2006_331_a3,
     author = {D. M. Gitman and V. G. Kupriyanov},
     title = {Quantization of theories with {non-Lagrangian} equations of motion},
     journal = {Zapiski Nauchnykh Seminarov POMI},
     pages = {30--42},
     publisher = {mathdoc},
     volume = {331},
     year = {2006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZNSL_2006_331_a3/}
}