@article{MAT_1971_15_3_a4,
     author = {D. L. Burkholder and R. F. Gundy},
     title = {Extrapolation and interpolation of quasi-linear operators on martingales},
     journal = {Matematika},
     pages = {91--141},
     publisher = {mathdoc},
     volume = {15},
     number = {3},
     year = {1971},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MAT_1971_15_3_a4/}
}