@article{10_1017_S0017089505002338,
     author = {KAPTSOV, OLEG V. and SCHMIDT, ALEXEY V.},
     title = {LINEAR {DETERMINING} {EQUATIONS} {FOR} {DIFFERENTIAL} {CONSTRAINTS}},
     journal = {Glasgow mathematical journal},
     pages = {109--120},
     year = {2005},
     volume = {47},
     number = {A},
     doi = {10.1017/S0017089505002338},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089505002338/}
}