@article{JRAM_1976__282_151700,
     author = {S.K. Bajpai and O.P. Juneja and G.P. Kapor},
     title = {On the (p, q)-order and lower (p, q)-order of an entire function.},
     journal = {Journal f\"ur die reine und angewandte Mathematik},
     pages = {53--67},
     publisher = {mathdoc},
     volume = {282},
     year = {1976},
     zbl = {0321.30031},
     url = {http://geodesic.mathdoc.fr/item/JRAM_1976__282_151700/}
}