<%= t('e_paper.title') %>:<%= paper.title %>
<%= t('e_paper.date') %>:<%= paper.created_at.strftime("%Y-%m-%d") %>
<%= t('e_paper.period') %>:<%= paper.period.strftime("%Y-%m-%d") %>
<%= t('e_paper.description') %><%= paper.description %>
<% paper.topics.desc(:created_at).each do |topic| %>
<% end %>