@article{NSJOM_1982_12_Nonea_27,
     author = {Niku\'c Jovanka},
     title = {On a sructure defined by a 

 tensor field f of the type (1,1) satisfyng f2-2q*1- 

 f = 0},
     journal = {Novi Sad Journal of Mathematics},
     pages = {369-377},
     year = {1982},
     volume = {12},
     url = {http://geodesic.mathdoc.fr/item/NSJOM_1982_12_Nonea_27/}
}