[1] Inst Nucl Phys, Phys Math Sci, Alma Ata, Kazakhstan
[2] Inst Nucl Phys, Lab Radiat Mat, Alma Ata, Kazakhstan
[3] South Kazakhstan State Univ, Phys Math Sci, Shymkent, Kazakhstan
[4] South Kazakhstan State Univ, Shymkent, Kazakhstan
[5] Karaganda State Tech Univ, Phys Math Sci, Karaganda, Kazakhstan
[6] South Kazakhstan State Pedag Inst, Phys & Math, Shymkent, Kazakhstan