Volume 16, Issue 4 Yu Zhang Liu Yang Li Xiong Shi Entire solutions for several systems of nonlinear differential equations Downloads Abstract PDF Full article PDF DOI { copied = true; setTimeout(() => copied = false, 2000) })" :aria-label="copied ? 'DOI copied' : 'Copy DOI'" :title="copied ? 'Copied' : 'Copy DOI'" > Find all available articles from these authors Yu Zhang Liu Yang Li Xiong Shi Find more articles with the same keywords Nevanlinna theory system of functional equations entire solution Find more articles with the same subject classes 35F20 32A15 32A22