@article{10_4064_sm_87_2_167_180,
     author = {Mark Leckband},
     title = {Two-weight mixed norm inequalities for maximal operators and extrapolation results for the fractional maximal operator},
     journal = {Studia Mathematica},
     pages = {167--180},
     publisher = {mathdoc},
     volume = {87},
     number = {2},
     year = {1987},
     doi = {10.4064/sm-87-2-167-180},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/sm-87-2-167-180/}
}