@article{10_4153_CJM_1996_050_3,
     author = {Gol'Dman, M. L. and Heinig, H. P. and Stepanov, V. D.},
     title = {On the {Principle} of {Duality} in {Lorentz} {Spaces}},
     journal = {Canadian journal of mathematics},
     pages = {959--979},
     year = {1996},
     volume = {48},
     number = {5},
     doi = {10.4153/CJM-1996-050-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-050-3/}
}