V. V. Napalkov, V. A. Tarov, “On Some Properties of Subharmonic Functions and Entire Functions of Order Zero”, CMFD, 25 (2007), 88–101; Journal of Mathematical Sciences, 155:1 (2008), 89–104
2004
2.
V. A. Tarov, “Smoothly Varying Functions and Perfect Proximate Orders”, Mat. Zametki, 76:2 (2004), 258–264; Math. Notes, 76:2 (2004), 238–243