Psychology of the creative act (incl. creativity and genius problems) +
History of psychology
D'yachenko O. M.
:
The problems of abilities' development: Before and after L. S. Vygotsky
96'5
p.98
Poddiakov N. N.
:
Development of A. V. Zaporozhets's ideas in studying children's creative activity
05'5
p.113