@article{10_4064_ap92_3_6,
     author = {I. I. Marchenko and A. Szkibiel},
     title = {On strong tracts of subharmonic functions
 of infinite lower order},
     journal = {Annales Polonici Mathematici},
     pages = {275--284},
     year = {2007},
     volume = {92},
     number = {3},
     doi = {10.4064/ap92-3-6},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/ap92-3-6/}
}