@Article{zbMATH06077768,
Author = {V. {Lokesha} and K. M. {Nagaraja} and Kumar B. {Naveen} and Sandeep {Kumar}},
Title = {{Solution to an open problem by Rooin}},
FJournal = {{Notes on Number Theory and Discrete Mathematics}},
Journal = {{Notes Number Theory Discrete Math.}},
ISSN = {1310-5132; 2367-8275/e},
Volume = {17},
Number = {4},
Pages = {33--36},
Year = {2011},
Publisher = {``Marin Drinov'' Academic Publishing, Sofia},
Language = {English},
MSC2010 = {26D15},
Zbl = {1269.26010}
}