To check the cited times of papers, you can use academic search engines or databases, such as Google Academic, Science Network or Scopus. In these databases, you can search for papers by entering information such as their titles or authors, and see how many times they have been cited. At Google Academic,

You can find the cited times of papers in the search results, or click the "citation" link to view the specific list of cited documents. In the Web of Science or Scopus, you can view the citation index or citation report of papers, including the number of times the papers were cited, the detailed information of cited documents, the citation network diagram, etc. This information can help scholars to evaluate the influence and importance of the paper, and can also provide reference for scholars' follow-up research.