contract/contract_show_invoice/views/account_invoice_view.xml

<?xml version="1.0" encoding="utf-8"?>
<openerp>
    <data>

        <record id="view_account_invoice_filter_contract" model="ir.ui.view">
            <field name="name">account.invoice.select.analytic</field>
            <field name="model">account.invoice</field>
            <field name="inherit_id" ref="account.view_account_invoice_filter"/>
            <field name="arch" type="xml">
                <field name="date" position="after">
                    <separator/>
                    <field name="analytic_account_ids"/>
                </field>
            </field>
        </record>

    </data>
</openerp>