Wang, Simon
Towards the answer to the second part of Hilbert's 16th problem
Towards the answer to the second part of Hilbert's 16th problem
Planar polynomial vector field;Limit cycles;Phase portraits;Hilbert
2014-11-13
https://repository.lboro.ac.uk/articles/Towards_the_answer_to_the_second_part_of_Hilbert_s_16th_problem/9227861